SCR System Abbreviations

parts system nomenclature

As of october 1920. The JTEDS (1943) system redefined many of these. See JETDS system equipment abbreviation

• A. Antenna equipment
• AH. Guy anchors
• AL. Aerial liaison panels
• AN. Antenna aerials, made up of a definite length of antenna wire, having the ends prepared for attaching to masts or other supports
• AP. Aerial communication panel sets
• AR. Lightning arrestors
• BA. primary batteries, wet and dry
• BB. Storage batteries, lead and Edison
• BC,BE. Set boxes, apparatus boxes, carrying boxes, cabinets, outlet boxes, chests and the like.
• BD. Power boards, switchboards, and panels
• BG. Carrying cases, tool rolls, tool cases, tool kits and covers.
• BL. Connecting blocks
• BT. Battery trays.
• BZ. Buzzers
• C, CU, ID. Induction coils, transformers, linking and coupling coils.
• CA. Condensers, both variable and fixed.
• CC. (1-49) Telephone switchboard, transmitting and receiver cords.
• CC. (50-99) Telephone switchboard connectiing cords
• CC. (100-299) Telephone cords, post and artillery type.
• CC. (300-399) Standard cords for field equipment.
• CD. Extinsion cords, complete with terminals all kinds of complete connection cords.
• CN. Vibrator and interrupter contacts
• CO. Extension cords without terminal connectors
• CP. Counterpois, made up of definite lengths of wire with ends prepared for connecting to radio sets.
• CS. Cases and casings.
• DC. Detector crystals.
• DM. Dynamotors and boosters.
• DR. Drums and spools.
• DT. Detector stands.
• DY. Dynamometers.
• E. Field glasses, and telescopes.
• EE. Electrical Engineering sets, and equipments, including telephone and telegraph outfits, signal lamp sets, ect.
• ET. Electrodes for spark gaps, either rotary or fixed.
• F. Fairleads.
• FA. Air fans.
• FL. Filters
• FM. Frames supporting.
• FT. Fittings, clamps and mountings, or other accessories adapted to fastening detachable apparatus to a frame, support, or other apparatus.
• GA. Spark gaps.
• GC. Generator cranks.
• GD. Ground equipment.
• GE. Gasoline Engines
• GN. Generators
• GP. Grounds, pins, stakes, ground rods, etc.
• GS. Generator stands.
• GY. Guys
• HA. Helmets.
• HB. Headbands.
• HK. Hooks.
• HL. Heliograph parts.
• HM. Hammers.
• HS. Headsets
• I. Instruments, both electrical as ampmeters, voltmeters, etc. and mechanical, clocks compasses ect.
• IC. Insulating compounds.
• IE. Instrument equipment.
• IF. Switchboard instruments, flush type.
• IN. Insulators.
• IS. Switchboard instruments, flush mounted.
• J. transmitting Keys, wire and wireless.
• JK. Jacks.
• JM. Jack mountings and outlets.
• K. Carts, wire, signal, maintenance, etc.
• KI. Kites antenna
• KN. Knives
• LM. lamps Illuminating
• LP. Loops.
• M, MC. Miscellaneous
• MG. Motor generators.
• ML. Meteorological apparatus
• MO Motors.
• MP. Mast plates, and caps.
• MR. Markers
• MS. Mast sections
• MT. Ground mats.
• OC. Oil cans, and oil can equipment.
• P. Headphones, see also HS.
• PE. Power equipment.
• PF. Pole fittings, including all small parts used in pole line construction.
• PG. Pigeon equipment.
• PH. Photographic equipment.
• PL. Plugs.
• PO. Poles and pike poles.
• PY. Pyrotechnical equipment.
• R. Telephone receivers, A single receiver without headband assembly as defferentiated from headset or headphone.
• RC. Radio Receiving equipment for radio sets, including T.P.S. set.
• RE. Radio equipment, both receiving and transmitting including T.P.S. set.
• RL. Reels and spools.
• RP. Rope and cord or twine.
• RS. Resistances.
• RT. Radio transmitting equipments.
• SCR. Signal Corps Radio Sets complete.
• SE. Signal equipments.
• SO. Sockets.
• SS. Sections, flagstaf, and pike pole.
• ST. straps, carry and binding.
• SW. Switches.
• T. Telephone transmitters. single transmitter without assembly in breastplate or other unit.
• TE. Tool Equipment
• TG. Telegraph Instruments
• TL Tools.
• TM Terminals, terminal lugs, conectors, binding posts, etc.
• TN. Tents.
• TR. Towers.
• TS. Telephone sets, including transmitter receiver and appropriate mounting but not including apparatus box, etc.
• TW. Twine.
• VA. Variometers.
• VT. Vacuume tubes, 3-electrode
• W. Wire.
• WC. (1-200) rubber insulated submarine cables.
• WC. (201-300) rubber insulated subterranean cables.
• WC. (301-400) paper insulated armored cables.
• WC. (401-500) paper insulated unarmored
• WC. (501-600) special types of cables.
• WC. (601-700) Power cables.
• WT. Weights for antenna or for buzzer vibrators.