LITTEL PLUG® PHONE PLUGS
1. 482NCP
2. 483NCP
3. 485NC
click here to download a schematic
drawing
(you will need to have Adobe Acrobat installed on your system to do this)

FEATURES AND BENEFITS
* 3 conductor plug
* Designed for high quality communication equipment
* One-piece tip rod ensures electrical continuity
* Brass plug finger versions meet MIL specifications
* 'N' and 'NC' suffix versions have nickel-plated plug fingers, excellent for audio applications
* 'NC'' suffix option has rugged, heavy duty cable clamp, solder terminals for easier solderability and assembly. Metal shielded handle
* "NCP" - plastic handle
SPECIFICATIONS
Plug Finger: Brass, natural finish or nickel-plated
Terminals: Brass, electro tinned
Insulation: Ethyl cellulose, per MIL-P-22835, Type II, Class 1, or acetal resin
Handles: Plastic-nylon molding plastic, Type 6, per MIL-M-20693, Type II. Shielded metal handle with red, black or nickel finish
ORDERING INFORMATION
1. Order by part number.
2. Contact Switchcraft for more information.
3. Mating jacks available.
| 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. |
| 482* |
3 |
Screw3 |
MT332B |
Red5 |
T16891
|
M642/2-2 |
Old PJ-051R or Signal Corps PL-51. Similiar to WECo-310. |
| 483* |
3 |
Screw3 |
MT332B |
Black5 |
ý T1973 |
M642/2-1 |
Old PJ-051B. JJ-022 and others
|
| 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 |
480 Series Part Numbering Chart
| Part number |
.206" dia. finger |
1/4" dia. finger |
Brass finger |
Nickel finger |
Handle material |
Red handle |
Black handle |
Nickel handle |
Standard clamp cable |
Large clamp cable |
| 480 |
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Plastic |
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| 482 |
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Plastic |
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| 482N |
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Plastic |
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| 482NC |
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Metal |
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| 482NCP |
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Plastic |
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| 483 |
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Plastic |
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| 483N |
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Plastic |
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| 483NC |
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Metal |
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| 483NCP |
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Plastic |
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| 484 |
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Plastic |
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| 485NC |
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Metal |
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