VT.HTM APR DecJan 5 2009 20102011 71 captures 2 Oct 00 - 5 Dec 10 Close Help Frederick W. Chesson FILE: VT.HTM 144 Fiske Street, Waterbury, CT 06710 Rev: 4-26-05 Military VT- Tube to Commercial Tube Conversion Tables R/B = Replaced by... R/F = Replacement for... VT No. Commercial No. Remarks Navy Equivalent -------------------------------------------------------------------------- VT-1 WE-203A ruggedized Navy CW-933 (CW = Western Electric Co.) VT-2 WE-205B Navy CW-931 VT-3 WE "P" triode, WW I. Samples for 1-ch carrier telgph. (Tynbe) VT-4A WE-211A Navy CW-1818 VT-4B 211 Navy CG-1984 and CW-1818A (CG = General Electric Co.) VT-4C JAN 211 used in BC-191, BC-375 transmitters VT-5 WE-215A Navy CW-1344 VT-6 212A Navy CW-1819 VT-7 WX-12 VT-8 UV-204 VT-9 -- VT-10 GE "P" Navy CG-916 VT-11 GE "G" Navy CG-890 VT-12 GE "T" VT-13 improved "G" Navy CG-890 VT-14 proto GE UV-201 NavyCG/CW-1162 VT-15 -- VT-15 Low-current recvr triode, post-WW I, "duckfoot" base. (J. Vanicek) VT-16 improved "T" VT-17 PT860 VT-18 GE "U"proto UV-203 Navy CG-1144 VT-19 861 WL407 VT-20 De Forest Recvr. triode, WW I (Tyne) VT-21 De Forest Recvr. triode, WW I (Tyne) VT-22 204A Navy CG-1860 VT-23 -- VT-23 Unknown type- "obsol." early. VT-24 864 FR-300 VT-25 10 used in BC-191, BC-375 transmitters VT-25A 10Y thoriated filament VT-26 22 VT-27 30 Navy SE-3872 VT-28 24, 24A VT-29 27 VT-30 01A Navy SE-4374 VT-31.....31 ..... indicates VT and commercial number equivalancy VT-32 -- VT-32 Moorhead Lab WW I export to UK. Br. 4-pin base. Not reg SC item. VT-33.....33 VT-34 207 Navy CG-1971 VT-35.....35/51 VT-36.....36 VT-37.....37 VT-38.....38 VT-39 869 Navy SE-3071 VT-39A 869A VT-40.....40 VT-41 851 Navy CG-2172 VT-42 872 Navy SE-3070 VT-42A 872A Spec VT-43 845 WL-412 VT-44 32 VT-45.....45 VT-46 866 Navy SE-3069 VT-46A 866A VT-47.....47 VT-48 41 VT-49 39/44 VT-50.....50 VT-51 841 VT-52 45 Spec 2C45 (7V fil) Navy 38142 VT-53 Cancelled WL-436. Replaced by VT-42A VT-54 34 VT-55 865 Navy SE-3294 VT-56.....56 VT-57.....57 VT-58.....58 VT-59.....59 VT-60 850 VT-61 -- VT-62 801, 801A VT-63 46 U/W BC-223 VT-64 800 RK30 VT-65 6C5 VT-65A 6C5G VT-66 6F6 VT-67 30 Special base VT-68 6B7 VT-69 6D6 VT-70 6F7 VT-71 -- VT-72 842 VT-73 843 VT-74 5Z4 VT-75.....75 VT-76.....76 VT-77.....77 VT-78.....78 VT-79 -- VT-80.....80 (CX-280 Full-Wave Rectifier) VT-81 -- VT-82 -- VT-83.....83 VT-84.....84/6Z4 VT-85 -- VT-86 6K7 First octal base VT VT-86A 6K7G VT-87 6L7 VT-87A 6L7G VT-88 6R7 VT-88A 6R7G VT-88B 6R7GT VT-89.....89 Last VT- and Commercial No. equivalant designation VT-90 6H6 First metal shell VT VT-90A 6H6GT GT = glass envelope version of metal tube. VT-91 6J7 1603, 1620 are selected 6J7 (UK: CV657) VT-91A 6J7GT VT-92 6Q7G VT-92A 6G7G VT-93 6B8 VT-93A 6B8G VT-94 6J5 VT-94A 6J5G VT-94B 6J5 Special VT-94C 6J5 Special VT-94D 6J5GT VT-95 2A3 VT-96 6N7 VT-96B 6N7 Special VT-97 5W4 VT-98 6U5/6G5 VT-99 6F8G VT-100 807 VT-100A 807 mod VT-101 837 VT-102 -- VT-102 Cancelled. Vt-103 6SQ7 first 6S... tube VT-104 12SQ7 VT-105 6SC7 VT-106 803 RK-28A VT-107 6V6 VT 107-112 used in early radar sets, SCR-268-270 VT-107A 6V6GT VT-107B 6V6G VT-108 450TH VT-109 2051 VT-110 -- VT-111 5PB4/1802P4 5-inch CRT VT-112 6AC7/1852 VT-113 -- VT-114 5T4 VT-115 6L6 Original metal shell 1622 selected 6L6 (UK CV658) VT-115A 6L6G Glass envelope version VT-116 6SJ7 VT-116A 6SJ7GT VT-116B 6SJ7Y VT-117 6SK7 VT-117A 6SK7GT VT-118 832 VT-119 2X2/879 VT-120 954 UHF Acorn tube VT-121 955 " " " VT-122 530 water-cooled triode VT-123 RCA A-5586 see VT-128 VT-124 1A5GT VT-125 1C5GT VT-126 6X5 VT-126A 6X5G VT-126B 6X5GT VT-127 100TS Power ring-oscillator tube, for SCR-268 Radar VT-127A Eimac 100TS VT-128 1630 (A5588) Electron-multiplier pre-amp for SCR-270, 271 Radar VT-129 304TL VT-130 250TL VT-131 12SK7 used in SCR-274N & ARC-5 Command Set Receivers VT-132 12K8 Special " " " VT-133 12SR7 " " " VT-134 12A6 " " " VT-135 12J5GT " " " VT-135A 12J5 VT-136 1625 12-volt 807 used in SCR-274N & ARC-5 Command Set Xmtrs VT-137 1626 " " " " VT-138 1629 12 V 6E5 " " " " VT-139 VR-150/30 " " " " VT-140 1628 UHF triode (8012) R/B VT-228, U/W SCR-518, APQ-9 jammer VT-141 531 HV rectifier VT-142 WE-39DY1 doorknob triode VT-143 805 WE-331 VT-144 813 VT-145 5Z3 VT-146 1N5GT VT-147 1A7GT VT-148 1D8GT VT-149 3A8GT VT-150 6SA7 VT-150A 6SA7GT VT-151 6A8G VT-151B 6A8GT VT-152 6K6GT VT-152A 6K6G VT-153 1664 12C8 with Micanol base VT-154 814 RK-47 VT-155 VT-156,157, 159,160 "Signal Corps Labs Specials" for Zahl/VT-155. Several variants, no known use or commercial nos. (Sibley) VT-158 "Special" Zahl glass 600-MHz 250-kW osc. for SCR-584, AN/TPS-3 Radar (WX3092) Made by EI, HK, ML, Pioneer. VT-161 12SA7 VT-162 12SJ7 VT-163 6C8G VT-164 1619 2.5 V 6L6 U/W BC-604, 684 Xmtrs (UK: CV723) VT-165 1624 2.5 V 807 U/W BC-604, 684 Xmtrs VT-166 WE-371A Rectifier VT-167 6K8 VT-167A 6K8G VT-168 6Y6 VT-168A 6Y6G VT-169 12C8 VT-170 1E5-GP VT-171 1R5 VT-171A 1R5 Loctal VT-172 1S5 VT-173 1T4 VT-174 3S4 VT-175 1613 selected 6F6 U/W BC-640*, 653 (UK: CV655) VT-176 6AB7/1853 VT-177 1LH4 U/W BC-659 VT-178 1LC6 VT-179 1LN5 VT-180 3LF4 VT-181 7Z4 VT-182 3B7/1291 Loctal U/W BC-620, 1149 VT-183 1R4/1294 Loctal diode U/W BC-620 VT-184 VR-90/30 VT-185 3D6/1299 VT-186 Special VT-187 575A GL-512A Rectifier VT-188 7E6 Loctal base, used in SCR-515/BC-645 IFF Set VT-189 7F7 " " " " VT-190 7H7 " " " " VT-191 316A "Doorknob Tube" " " VT-192 7A4 Loctal " " VT-193 7C7 " " " VT-194 7J7 " " " VT-195 CK-1005 VT-196 6W5G FW Rect. VT-197 probably 5Y3G VT-197A 5Y3GT/G VT-198 6G6 VT-198A 6G6G VT-199 6SS7 VT-200 VR-105/30 VT-201 25L6 VT-201C 25L6GT VT-202 9002 VT-203 9003 VT-204 HK24G 3C24 VT-205 6ST7 VT-206A 5V4G VT-207 12AH7GT VT-208 7B8 VT-209 12SG7 VT-210 1S4 VT-211 6SG7 VT-212 958 VT-213A 6L5G VT-214 12H6 VT-215 6E5 "Magic Eye" tuning indicator tube VT-216 816 866-Jr MV Rect. VT-217 811 VT-218 100TH VT-219 8007 Beam Amp. VT-220 Eimac 250TH VT-221 3Q5GT VT-222 RX884 6Q5G VT-223 1H5GT VT-224 RK-34 2C34 VT-225 307A RK75 VT-226 3EP1/1806P1 3" CRT VT-227 7184 S/T 6V6 VT-228 8012 R/F VT-140 (UK: CV662) VT-229 6SL7GT VT-230 350A RK49 VT-231 6SN7GT VT-232 E-1148 3.5 Watt Triode VT-233 6SR7 VT-234 HY-114B VT-235 HY-615 VT-236 836 (CRP-836, RK-836) VT-237 957 VT-238 956 VT-239 1LE3 VT-240 WE-710A VT-241 7E5/1201 VT-242 -- VT-243 7C4/1203A VT-244 5U4G VT-245 2050 Thyratron VT-246 918 Phototube VT-247 6AG7 VT-248 1808P1/3CP1 3" CRT VT-249 CK1006 VT-250 EF50 VT-251 GL441 Phototube VT-252 923 Phototube VT-253 -- VT-254 HK-304TH VT-255 WE-705A Rectifier VT-256 ZP486 GL-486 Magnetron VT-257 K-7 2J30 Magnetron VT-258 -- VT-259 829 VT-260 VR-75/30 VT-261 -- VT-262 -- VT-263 -- VT-264 3Q4 VT-265 -- VT-266 1616 2B26 Half-wave HV Rect. (UK: CV656) VT-267 WL-578 GL-451 Rectifier VT-268 12SC7 VT-269 WE-717A VT-270-276 no listings found, so far. VT-277 WL-417* 417 Klystron VT-278 -- VT-279 GY-2 Thyratron VT-280 C7063 1P24, 936 Phototube VT-281 HY-145ZT Sub-miniature Pentode VT-282 ZG489 Thyratron VT-283 QF-206 Sub-miniature Pentode VT-284 QF-197 Sub-miniature Diode VT-285 QF-200C Sub-miniature Triode VT-286 832A Power Amp VT-287 815 VT-288 12SH7 VT-289 12SL7GT (last-knownd VT- Number, Oct, 1943. Rpl by JAN- nos.) VT- Commercial Cross-Index VT No. Commercial No. Remarks ------------------------------------------------------------------------------ Numeric Tube Designations VT-30 01A (201A) VT-25 10 U/W BC-191, BC-375 transmitters VT-25A 10Y thoriated filament (used in BC-375* Xmitters) VT-7 WX-12 VT-26 22 VT-28 24, 24A VT-29 27 VT-27 30 VT-67 30 Spec VT-225 307A VT-31.....31 (..... indicates same VT-Comm. numbers) VT-44 32 VT-33.....33 VT-54 34 VT-35.....35/51 VT-36.....36 VT-37.....37 VT-38.....38 VT-49 39/44 VT-40.....40 VT-48 41 VT-63 46 VT-49 39/44 VT-45.....45 VT-52 45 Spec VT-47.....47 VT-50.....50 VT-35.....35/51 VT-56.....56 VT-57.....57 VT-58.....58 VT-75.....75 VT-76.....76 VT-77.....77 VT-78.....78 VT-80.....80 VT-83.....83 VT-84.....84/6Z4 VT-89.....89 Last VT- Commercial No. equivalant designation VT-1 WE-203A, ruggedized VT-22 204A VT-8 UV-204 VT-2 WE-205B Navy CW-931 VT-34 207 VT-4B 211 VT-4C JAN 211 used in BC-191, BC-375 transmitters VT-6 212A VT-5 WE-215A VT-220 250TH VT-130 250TL VT-254 304TH VT-129 304TL VT-191 316A UHF "Doorknob Tube U/W BC-645/SCR-515 IFF Set VT-230 350A VT-166 371A VT-251 441 VT-108 450TH VT-277 417 VT-122 530 water-cooled triode VT-141 531 VT-187 575A VT-267 578 VT-255 705A VT-240 710A VT-269 717A VT-64 800 VT-62 801,A VT-228 8012 R/F VT-140 (UK: CV662) VT-106 803 VT-143 805 VT-100 807 VT-100A 807 mod VT-217 811 VT-144 813 VT-154 814 VT-287 815 VT-216 816 VT-259 829 VT-118 832 VT-286 832A VT-236 836 VT-101 837 VT-51 841 VT-72 842 VT-73 843 VT-43 845 VT-60 850 VT-41 851 VT-17 860 VT-19 861 VT-24 864 VT-55 865 VT-46 866 VT-46A 866A VT-39 869 VT-39A 869A VT-42 872 VT-42A 872 Spec VT-222 884 VT-246 918 VT-252 923 VT-120 954 Acorn tube VT-121 955 " " VT-238 956 " " VT-237 957 VT-212 958 VT-245 2050 VT-109 2051 VT-227 7184 VT-202 9002 miniature, 7-pin tube VT-203 9003 " " " Filament Voltage Tube Designations VT-124 1A5GT VT-147 1A7GT VT-125 1C5GT VT-148 1D8GT VT-170 1E5-GP VT-223 1H5GT VT-178 1LC6 VT-239 1LE3 VT-177 1LH4 U/W BC-659 VT-179 1LN5 VT-146 1N5GT VT-183 1R4/1294 Loctal diode U/W BC-620 VT-171 1R5 VT-171A 1R5 Loctal VT-210 1S4 VT-172 1S5 VT-173 1T4 VT-95 2A3 VT-119 2X2/879 VT-149 3A8GT VT-182 3B7/1291 Loctal U/W BC-620, 1149 VT-185 3D6/1299 VT-180 3LF4 VT-264 3Q4 VT-221 3Q5GT VT-174 3S4 VT-114 5T4 VT-244 5U4G VT-206A 5V4G VT-97 5W4 VT-197A 5Y3GT/G VT-145 5Z3 VT-74 5Z4 VT-151 6A8G VT-151B 6A8GT VT-176 6AB7/1853 VT-112 6AC7/1852 VT-247 6AG7 VT-68 6B7 VT-93 6B8 VT-93A 6B8G VT-65 6C5 VT-65A 6C5G VT-198 6G6 VT-198A 6G6G VT-163 6C8G VT-69 6D6 VT-215 6E5 VT-196 6E5G VT-66 6F6 VT-70 6F7 38667 VT-99 6F8G VT-90 6H6 First metal shell VT No. 38566H VT-90A 6H6GT GT = glass envelope version of metal tube. VT-94 6J5 VT-94C 6J5 Special VT-94B 6J5 Special VT-94A 6J5G VT-94D 6J5GT VT-91 6J7 1603, 1620 are selected 6J7 (Brit CV657) VT-91A 6J7GT VT-152A 6K6G VT-152 6K6GT VT-86 6K7 First octal base VT VT-86A 6K7G VT-167 6K8 VT-167A 6K8G VT-213A 6L5G VT-115 6L6 Original metal shell 1622 selected 6L6 (UK CV658) VT-115A 6L6G Glass envelope version VT-87 6L7 VT-87A 6L7G VT-96 6N7 VT-96B 6N7 Special VT-92 6Q7 VT-92A 6Q7G VT-88 6R7 VT-88A 6R7G VT-88B 6R7GT VT-98 6U5/65G VT-107 6V6 following used in early radar sets, Mainly SCR-270 VT-107B 6V6G VT-107A 6V6GT VT-196 6W5G FW Rect. VT-126 6X5 VT-126A 6X5G VT-126B 6X5GT VT-168 6Y6 VT-168A 6Y6G VT-84 84/6Z4 VT-150 6SA7 VT-150A 6SA7GT VT-105 6SC7 VT-211 6SG7 VT-116 6SJ7 VT-116A 6SJ7GT VT-116B 6SJ7Y VT-117 6SK7 VT-117A 6SK7GT VT-229 6SL7GT VT-231 6SN7GT Vt-103 6SQ7 VT-233 6SR7 VT-199 6SS7 VT-205 6ST7 VT-192 7A4 Loctal, 6-7 V Fil Tubes VT-208 7B8 VT-243 7C4/1203A VT-193 7C7 VT-241 7E5/1201 VT-188 7E6 U/W BC-645 IFF Set VT-189 7F7 " " VT-190 7H7 " " VT-194 7J7 " " VT-181 7Z4 VT-134 12A6 VT-207 12AH7GT VT-169 12C8 VT-153 12C8/1664 with Micanol base VT-214 12H6 VT-135A 12J5 VT-135 12J5GT VT-132 12K8 Special Base U/W SCR-274N & ARC-5 Receivers VT-161 12SA7 VT-268 12SC7 VT-209 12SG7 VT-288 12SH7 VT-162 12SJ7 VT-131 12SK7 VT-289 12SL7GT last-known issued VT- Number, 1944 VT-104 12SQ7 VT-133 12SR7 VT-201 25L6 VT-201C 25L6GT VT-91 1603 selected 6J7 (Brit CV657) VT-175 1613 selected 6F6 U/W BC-640*, 653 (UK: CV655) VT-266 1616 HV Rect (Brit CV656) VT-164 1619 2.5 V 6L6 U/W BC-604, 684 Xmtrs (UK: CV723) VT-91 1620 selected 6J7 (Brit CV657) VT-165 1624 2.5 V 807 U/W BC-604, 684 Xmtrs VT-136 1625 12-volt 807 for SCR-274N Xmtrs & ART-13 (UK: CV659) VT-137 1626 " " " " " VT-140 1628 UHF triode (8012) R/B VT-228, U/W SCR-518, APQ-9 jammer VT-138 1629 12 V 6E5 "Magic Eye" Tuning tube for SCR-274N Xmtrs VT-128 1630 (A5588) Electron-multiplier pre-amp SCR-270, 271 Radars VT-153 1664 12C8 with Micanol base VT-248 3CP1/1808P1 3" CRT VT-226 3EP1/1806P1 3" CRT VT-111 5PB4/1802P4 5" CRT VT-280 C7063 VT-232 E-1148 VT-250 EF50 VT-279 GY-2 VT-204 HK24G VT-234 HY-114B VT-281 HY-145ZT VT-235 HY-615 VT-257 K-7 VT-284 QF-197 VT-285 QF-200C VT-283 QF-206 VT-123 RCA A-5586/1630 VT-224 RK-34 VT-260 VR-75/30 VT-184 VR-90/30 VT-200 VR-105/30 VT-139 VR-150/30 VT-142 WE-39DY1 VT-7 WX-12 VT-282 ZG489 VT-256 ZP486 Numbered Naval Vacuum Yube Items 38xxx = Vacuum Tubes CG-886 First triode, 3-pin base, later VT-11,13 1917 CG-890 Transmitting version of CG-886, "Pliotron", later VT-12,14,16 1918 CG-916 Early Power Triode (250 W) 1918 CG-1144 Power Triode (50 W) 1918 CG-1162 Power Triode (5 W) "Pliotron" like CW-931 1918 CG-1323 Receiver, 308-592 KC 5 ch Battleship use c1920 CG-1353 Power Triode (3 KW) 1921 CG-2172 Power Triode (1 KW) 1921 CW-186 WE Type D. Equivalent to type 201, early globular type, R/B CW-933 CW-931 WE Type E. Transmitting Tube, 5 W. Equivalent to Army VT-2 1915 CW-933 WE Type J., like Army VT-2, or 205B 1913 CW-1162 Transmitting Triode, like VT-14 CW-1344 WE Type N. Receiving Triode 1918 CW-1818 Transmitting Triode, like VT-4 and 211A, 1920 CW-1818A Transmitting Triode, like VT-4B and 211D CW-1819 Transmitting Triode, like VT-6 and 212A CW-1819A Transmitting Triode, like VT-6A and 212D CW-1887 Transmitting Triode, like 220B CW-2354 Transmitting Triode, like 225A CW-38015 Triode, like 215-A CW-38112 Transmitting Triode, like 212E CW-38120 Transmitting Triode, like 220B CW-38142 Special 45 Triode, like VT-52 CW-38282 Transmitting Tetrode, like 282 CW-38412 Transmitting Pentode, like 312A CW-38907 Transmitting Tetrode, like 807 and VT-100* 38xxx* Vacuum Tubes Note correspondence with last two numbers and 38001 01A commercial designatiors... 38012 112A 38015 WE-215A 38019 19 38022 22 38024 24A 38027 27 38030 30 38031 31 38032 32 38032A 1B4P special type 32? 38033 33 38034 34 38035 35 38036 36 38037 37 38038 38 38039 39 38040 40 38041 41 38042 42 38045 45 38047 47 38050 50 38053 53 38056 56 38057 57 38058 58 38059 59 38064 864 38071 71 38075 75 38076 76 38077 77 38078 78 38080 80* 38085 85 38089 89 38101 801 38103 203A 38104 204A 38015 WE-215A 38107 207 38110 10 38111 Special 211 38112 WE-212E 38116 4B26/WL-289416D/GE-189049 38117 217C 38120 WE-220B 38138 838 38142 WE Special 45, like VT-52 38143 843 38145 845 38146 846 38149 849 38150 850 38151 851 38152 852 38157B 857B 38158 858 38160 860 38161 861 38162 862 38165 865 38166A 866A 38169A 869A 38170 870 38171 871 38172A 872A 38180 80 38181 81 38182 82 38183 83 38184 84 38193 893 38205 VR-105/OC3 38211 211 38213 2A3 38215 2A5 38220 ZB-120 38222 RK-22/3B23 38227 2B7 38233 RK-33/2C21/1642 38236 1C6 38250 VR-150/OD3 38255 25Z5 38266A 836 38267 1616 38268 868 38274 874 38275 VR-75/OA3 38276 876 38278 HS-1278 38282 WE-282 Tetrode 38286 886 38290 VR-90/OB3 383xx none found 38401 3B21/EL302.5 38402 4B22/EL5B2.5 38403 4B23/EL5B-HD 38404 4B24/EL3C 38405 3B22/EL1C 38412 WE-312A Pentode 38565J 6J5 38566H 6H6 38567K 6K7 38567R 6R7 38568K 6K8 38593 5Y3 38616 6A6 note alpha-numeric corresponcdence in this grouping 38817 6A7 38627B 6B7 38636C 6C6 38646D 6D6 38655E 6E5 38656J 6J5 38667 6F7 38674 4B25/EL-6C/GE-45X674 38674A EL6C 38717E 1E7G 38765J 6J5G 38766Y 6Y6 38768F 6F8G 38803 803 38807 807 38814 814 38833 833 38837 837 38842 842 38853 6AB7/1853 38884 884 38897 4B27/GE-16X897 38907 WE-807 like 807 and VT-100* Tetrode 38955 955 Acorn Triode 38956 956 38957 - 38958 958 38959 959 last on list as of 9-30-1941 Miscellaneous Tubes JHY-OB2 OB2 VR-Tube made by Hytron JRC-3A5 3A5 Tube made by RCA JRC-OB2WA OB2WA Tube made by RCA in 1966 JRP-1AE4 1AE4 Tube made by Raytheon JHS-1U5 1U5 Tube made by Sylvania JTL-3V4 3V4 Tube made by Tung-Sol CWL-25L6GT 25L6 Tube made by Westinghouse RETURN TO INDEX