The Connector,receptacle,electrical, cataloged under National Stock Number 5935-01-351-4713, is classified within Federal Supply Class 5935 (Connectors, Electrical) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Lockheed Martin Corporation Div Rotary and Mission Systems. Government technical data includes 28 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5935-01-351-4713 |
| Primary Part Number | 143A506-2 |
| Item Name | Connector,receptacle,electrical |
| FSC / FSG | 5935 / 59 — Connectors, Electrical |
| Manufacturer | Lockheed Martin Corporation Div Rotary and Mission Systems |
| Status | ACTIVE |
| Connector Locking Method | FRICTION |
| Shell Type | SOLID |
| Terminal Type | PIN SINGLE MATING END SINGLE CONTACT GROUPING |
| Contact Material | IRON ALLOY SINGLE MATING END SINGLE CONTACT GROUPING |
| Bushing Accommodation Hole Shape | ROUND |
| Overall Diameter | 0.250 INCHES MINIMUM AND 0.253 INCHES MAXIMUM IN |
| Mating End Quantity | 1 |
| Precious Material | GOLD |
| Contact Position Arrangement Style | NONSTD SINGLE MATING END |
| Shell Surface Treatment | GOLD AND NICKEL |
| Contact Maximum Frequency Rating | 18.0 GIGAHERTZ SINGLE MATING END SINGLE CONTACT GROUPING |
| Precious Material and Weight | 0.105 GOLD GRAINS, TROY |
| Shell Material Document and Classification | ASTM A582,CONDITION A ASSN STD SINGLE MATERIAL RESPONSE |
| Terminal Location | BACK SINGLE MATING END SINGLE CONTACT GROUPING |
| Included Contact Quantity | 1 SINGLE MATING END SINGLE CONTACT GROUPING |
| Shell Surface Treatment Document and Classification | MIL-G-45204,TY 2,CL 1 MIL SPEC 1ST TREATMENT RESPONSE AND QQ-N-290,CL 1 FED SPEC 2ND TREATMENT RESPONSE |
| Operating Temp Rating | -65.0 CELSIUS MINIMUM AND 125.0 CELSIUS MAXIMUM DEGC |
| Included Contact Type | COAXIAL PIN SINGLE MATING END SINGLE CONTACT GROUPING |
| Contact Maximum AC Voltage Rating in Volts | 335.0 SINGLE MATING END SINGLE CONTACT GROUPING |
| Contact Surface Treatment Document and Classification | MIL-G-45204,TY I,GRADE C,CL 1 MIL SPEC 1ST TREATMENT RESPONSE AND QQ-N-290,CL 1 FED SPEC 2ND TREATMENT RESPONSE SINGLE MATING END SINGLE CONTACT GROUPING |
| Environmental Protection | CORROSION RESISTANT AND SHOCK RESISTANT AND VIBRATION RESISTANT AND THERMAL SHOCK RESISTANT AND MOISTURE RESISTANT |
| Precious Material and Location | CONTACT AND BODY SURFACES GOLD |
| Contact Removability | REMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING |
| Contact Material Document and Classification | ASTM F15 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 7726 ASSN STD SINGLE MATERIAL RESPONSE SINGLE MATING END SINGLE CONTACT GROUPING |
| Contact Surface Treatment | GOLD AND NICKEL SINGLE MATING END SINGLE CONTACT GROUPING |
| Radio Frequency Type Contact Characteristic Impedance in Ohms | 50.0 SINGLE MATING END SINGLE CONTACT GROUPING |
| Insert Material | PLASTIC SINGLE MATING END |
| Shell Material | STEEL COMP 303 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 143A506-2 PRIMARY | Lockheed Martin Corporation Div Rotary and Mission Systems (USA) |
| Reference | Meaning |
|---|---|
| 052-946-0259-BP0 | 5/9 Secondary reference U.S. Government activity |
| 052-946-0259-8P0 | 5/2 Secondary reference U.S. Government activity |
NSN 5935-01-351-4713 is a Connector,receptacle,electrical, manufactured by Lockheed Martin Corporation Div Rotary and Mission Systems, classified under FSC 5935, Connectors, Electrical. Status: active.
NSN 5935-01-351-4713 has 1 manufacturer part number on file: 143A506-2 (Lockheed Martin Corporation Div Rotary and Mission Systems).
Key specifications for 143A506-2: Connector Locking Method: FRICTION; Shell Type: SOLID; Terminal Type: PIN SINGLE MATING END SINGLE CONTACT GROUPING; Contact Material: IRON ALLOY SINGLE MATING END SINGLE CONTACT GROUPING. 28 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.