MIL-TYPE 1/4" PHONE PLUGS
1. 2-CONDUCTOR SERIES 420, 425
2. 3-CONDUCTOR SERIES 482, 483
3. 2-CONDUCTOR SERIES 430
4. 3-CONDUCTOR SERIES 480 (.206")
5. 2-CONDUCTOR SERIES 440, 445
6. 3-CONDUCTOR SERIES 484 (.206")
FEATURES
Designed for high quality communication equipment to meet military requirements, This series features one-piece tip rod and one-piece sleeve and plug body, assembled together into a mold as inserts, providing a finished plug with complete continuity of thermoplastic insulation between tip rod and plug sleeve. Internal (invisible externally) interlock mechanically engages the metal and plastic components providing a realistic lock to prevent parts shifting. Design and material in accordance with MIL-P-642(A), MIL part number molded or stamped on handle, manufacturer's trademark (as required by MIL specification) appears on plug body.
SPECIFICATIONS
Tip Rod, Body and Screws: Copper alloy, natural finish.
Terminals: Tinned copper alloy.
Insulation: Thermoplastic, per MIL-P-22985, Type II, Class 1.
Handles: Thermoplastic, Type 6, per MIL-M-20693, Type II. Shielded; machined from copper alloy, nickel-plated.
STRAIN RELIEF CLAMP
For MIL-type Littel-Plug phone plugs. P2380 conforms to Specification SC-A-7674-F - supplied with Plug Numbers 430, 440, 445 and 470. P2381 meets Specification MS-35762 - supplied with Plug Number 480 and Extension-Jax® phone jack, Number 820.
ORDERING INFORMATION
| Part Number1 |
Conductors |
Terminals |
Typical Mating Jack |
Handle |
Handle Part Number |
MIL Part Number |
Notes |
| 420 |
2 |
Screw3 |
MT331 |
Black4 |
ý T16762 |
M642/1-1 |
Old PJ-047B or Signal Corps PL-47. Similar to WECo-347D. |
| 425 |
2
|
Screw3 |
MT331 |
Red4 |
T16761 |
M642/1-2 |
Old PJ-047R or Signal Corps |
430
|
2 |
Screw3, 6 |
820 |
Black |
M10252 |
M642/3-1 |
Old PJ-054B or Signal Corps PL-354. Dimemsion "A" - .25 inches (See Drawing). |
| 440 |
2 |
Screw3, 6 |
MT331 |
Black |
M1012 |
M642/4-1 |
Old PJ-055B or Signal Corps PL-55.
|
| 445 |
2 |
Screw3, 6 |
MT331 |
Red |
M-1013 |
M642/4-2 |
Old PJ-055R.
|
| 470 |
2 |
Screw3, 6 |
MT331 |
Shielded |
T125313
|
M642/4-3 |
Old PJ-055M or Signal Corps PL-125. |
480
|
3 |
Screw3, 6 |
MT342B |
Black |
M10271 |
M642/5-1 |
Old PJ-068 or Signal Corps PL-68. Finger diameter .206 inches. |
| 484 |
3 |
Screw3 |
MT342B |
Red5 |
T1992 |
M642/8-1 |
Old PJ-309 or JJ-083. Finger diameter .206 inches. Similiar to WECo-309. |
1 Internal threads in the ends of Numbers 420, 425, 482 and 483 Littel-Plug phone plugs are intended for engagement by threading over the outer jacket of patch cord to provide cable anchor. 2 Switchcraft Part Numbers. See the jacks section for additional mating jacks. 3 Switchcraft replacement screw P1070, Terminal Number P10695. Two each required per plug except 3 each for Number 480. 4 Switchcraft replacement screw T1677. One screw required to mount handle. 5 Switchcraft replacement screw T1990. One screw required to mount handle. 6 Strain Relief "U" Clamp is separate part. * Also available as nickel-plated. Specify 482N, 483N. Special order only. Contact Switchcraft |
click here to download dimensional
drawings
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