APPENDIX A
MIL-HDBK-162A
Volume 1 of 2
15 December 1965
LIST OF PREFIX LETTERS USED WITH TYPE NUMBERS (cont'd)
CC (50 to 99) ..........................
Telephone switchboard connecting cords, but not including plugs.
CC (100 to 299) ......................
Telephone cords for fixed telephone equipment.
CC (300 to 399) ......................
Cords for telephone equipment of tactical organization.
CD..........................................
Electrical extension cords complete with plugs, etc., all kinds of complete connection cords.
CE ..........................................
Pack animal equipments
CF ..........................................
Telephone and telegraph carrier equipment.
CH..........................................
Chests and boxes larger than "BX" boxes.
CN..........................................
Contacts, contact points and screws but does not include plugs.
CO..........................................
Electrical extension cords without plugs (other than telephone cords) or cordage.
CP ..........................................
Counterpoise made up of definite lengths of wire with ends prepared for connecting to radio sets.
CS ..........................................
Carry cases.
CT ..........................................
Conduit.
DC..........................................
Crystals and crystal units.
DM .........................................
Dynamotors.
DR..........................................
Spools for wire and reels which are the equivalent of spools but are larger than 16 inches in
diameter.
E ............................................
Radio compasses, binoculars.
EE ..........................................
Electrical engineering sets and equipments, including telephones, telegraph outfits, signal lamp
sets, etc., when no other classification is appropriate.
F.............................................
Fairleads.
FL...........................................
Filters.
FM..........................................
Frames, supporting.
FT...........................................
Fittings, clamps, mountings, or other accessories adapted to fastening detachable apparatus to a
frame, support, or other apparatus.
FU ..........................................
Fuses.
FX. .........................................
Facsimile transceivers.
GA..........................................
Spark gaps.
GC..........................................
Hand cranks for generators, reels, etc.
GE..........................................
Gasoline engines.
GN..........................................
Generators other than motor-generators.
GP..........................................
Ground pins, ground rods, etc. (A device driven into the ground which serves as an electrical
connection.)
GR..........................................
Ground ranging, sound ranging, and flash ranging sets.
GS..........................................
Generator stands.
GY..........................................
Guys.
HB ..........................................
Headbands.
HK ..........................................
Hooks.
HM .........................................
HO..........................................
Shelters.
HS ..........................................
Headsets.
HY ..........................................
I..............................................
Instruments both electrical, as ammeters, voltmeters, etc., and mechanical, as clocks,
compasses, etc. (usually portable).
IC ...........................................
Insulating compounds.
IE ...........................................
Instrument equipments.
IF............................................
Electrical instruments, front-of-board or surface type.
IN ...........................................
IS ...........................................
Electrical instruments, flush or mounted in the board.
IW ..........................................
Telephone accessories for interior wiring.
J .............................................
Transmitting keys.
JB...........................................
Jack boxes.
JK...........................................
Jacks, receptacles for plugs.
JM ..........................................
Jack mountings and outlets.
K ............................................
Carts, trucks, trailers, and other vehicles.
KE ..........................................
Mobile radio equipments.
KN ..........................................
Knives.
1A-9
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