US Army Keys

From Larry Nutting's list in Tom (W1TP) Perera's
"TELEGRAPH COLLECTOR'S GUIDE" - pg 81 Copyright 1999

No 9	Assembly - Key & Plug
KY-116/U	Assembly - POST 1945 J-45
J-1	For use in the SCR-49 (BC-24) - 1915
J-2	5.5 x 3.25 x 1.75" Black base key used in above set
J-3	5-5/32 x 3-3/8" Wood Base. Folding British-style key
J-4	A Silenced key
J-5/J-5A	Round, Flameproof Aircraft key
J-6	4-1/16 x 1-3/4" Black base, British-style Aircraft key
J-7	J-5A on a base with a blinker light, Aircraft key
J-8	Unknown
J-9	Unknown
J-1Ø	Transmitting key
J-11	Flameproof, silenced key with rubber buffers
J-12	3.5 x 2.5" Brass sub-base, for field radios
J-13	Unknown
J-14	Folding adjustable key, used with BC-47
J-15	Brass-Based , Bunnell key used in EE-15 Buzzer Set
J-16	Strap key used in EE-1Ø Signal Lamp Set
J-17	Unmounted contacts for attachment to panel
J-18	MESCO Oval legless key for EE-21 Field Set
J-19	Sliding switch, connects telephone lines together
J-2Ø	telephone line switch, dpst
J-21	Strap key used in target range signalling
J-22	Small strap key with upper, lower and ccenter contacts
J-23	6-5/8 x 3-1/2 x 1/2" black base wireless telegraph key. Heavy brass 7-3/4 x 5/26" lever.
J-24	15-1/2 x 6 x 1-1/2" base oil break wireless key
J-25	8.5 x 4.5 x .75" slate base wireless key for SCR-41, 1KW set.
J-26	Small wireless key mounted on 12-7/8 x 9 x 3-3/8" wooden box.
J-27	Small wireless key mounted on 12-1/4 x 4-3/8 x 3-1/4" wooden box.
J-28	5-1/4 x 2-7/8 x 3-1/4" open circuit leg key.
J-29	5-1/4 x 2-7/8 x 3" closed circuit leg key.
J-3Ø	5-1/4 x 2-3/4 x 1-1/2" closed circuit legless key.
J-31	6-1/4 x 3-5/8 x 4" open and closed circuit leg key.
J-32	J-3Ø on a 5 X 3" Wodden base
J-33	5-1/8 x 2-5/8 x 2-3/4" open circuit legless key
J-34	3-7/8 x 1-7/8 x 9/16" wood base for signaling lamp EE-6A
J-35	5-3/4 x 2-7/16 x 9/16" wood base for signaling lamp EE-6A
J-36	3.5 x 6.375" High Speed vibrating bug Vibroplex, Lionell, Bunnell, Brooklyn Metal, etc...
J-37	5-3/16 x 2-5/8" Ovoid Moulded bakelite base
J-38	5-1/4 x 3 X 1-1/2" bakelite base, (J-3Ø open circuit key)
J-39	Unknown
J-4Ø	For field set SCR-163A
J-41	5-1/4 x 2-5/8 x 7/8" like J-37 but with back contact for TG-5
J-42	Unknown
J-43	5-1/4 x 2-3/4 x 1-1/2" J-37 on base with push switch
J-44	5-1/4 x 2-3/4 x 1-1/2" J-37 on base with shorting switch
J-45	5-3/16 x 2-5/8 x 1" metal base J-37 on a metal leg clip Later models were marked KY-116/U
J-46	4-3/8 x 2" phenolic base. Strap key for EE-84 signal lamp
J-47	5 x 2-3/4 x 1-1/4" bakelite base
J-48	4 x 5-5/8 X 1-1/2" metal base in olive drab box, for BC-654
J-49	Automatic code keyer, keys oscillator for identification
J-5Ø	Unknown
J-51	Hand-held and hand-operated scissors-like key, for signal lamp M-227. It allowed the operator to stand safely away from the signal light while sending.