The Connector,receptacle,electrical, cataloged under National Stock Number 5935-01-186-8287, is classified within Federal Supply Class 5935 (Connectors, Electrical) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Lockheed Martin Corp Electronics and Missiles Div. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5935-01-186-8287 |
| Primary Part Number | 240257-2 |
| Item Name | Connector,receptacle,electrical |
| FSC / FSG | 5935 / 59 — Connectors, Electrical |
| Manufacturer | Lockheed Martin Corp Electronics and Missiles Div |
| Status | ACTIVE |
| Contact Maximum Current Rating in Amps | 5.0 SINGLE MATING END SINGLE CONTACT GROUPING |
| Body Style | RIGHT ANGLE TYPE |
| Terminal Type | WIRE WRAP SINGLE MATING END SINGLE CONTACT GROUPING |
| Contact Material | COPPER ALLOY SINGLE MATING END SINGLE CONTACT GROUPING |
| Mating End Quantity | 1 |
| Unthreaded Mounting Hole Diameter | 0.220 INCHES NOMINAL IN |
| Terminal Location | SIDE SINGLE MATING END SINGLE CONTACT GROUPING |
| Distance Between Mounting Facility Centers | 6.350 INCHES NOMINAL IN |
| Included Contact Quantity | 240 SINGLE MATING END SINGLE CONTACT GROUPING |
| Polarization Method | CONTACT TO CONTACT POLARIZING KEYS |
| Contact Surface Treatment Document and Classification | MIL-T-10727 MIL SPEC 1ST TREATMENT RESPONSE SINGLE MATING END SINGLE CONTACT GROUPING |
| Environmental Protection | HUMIDITY RESISTANT AND THERMAL SHOCK RESISTANT |
| Contact Removability | REMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING |
| Contact Material Document and Classification | QQ-C-530 FED SPEC SINGLE MATERIAL RESPONSE SINGLE MATING END SINGLE CONTACT GROUPING |
| Contact Surface Treatment | TIN AND NICKEL SINGLE MATING END SINGLE CONTACT GROUPING |
| Insert Material | PLASTIC POLYESTER SINGLE MATING END |
| 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 |
|---|---|
| 240257-2 PRIMARY | Lockheed Martin Corp Electronics and Missiles Div (USA) |
| DB4-240P(709) | Amphenol Corp Div Amphenol Aerospace Operations (USA) |
NSN 5935-01-186-8287 is a Connector,receptacle,electrical, manufactured by Lockheed Martin Corp Electronics and Missiles Div, classified under FSC 5935, Connectors, Electrical. Status: active.
NSN 5935-01-186-8287 has 2 manufacturer part numbers on file: 240257-2 (Lockheed Martin Corp Electronics and Missiles Div), DB4-240P(709) (Amphenol Corp Div Amphenol Aerospace Operations).
Key specifications for 240257-2: Overall Height: 0.585 INCHES NOMINAL IN; Contact Maximum Current Rating in Amps: 5.0 SINGLE MATING END SINGLE CONTACT GROUPING; Body Style: RIGHT ANGLE TYPE; Terminal Type: WIRE WRAP SINGLE MATING END SINGLE CONTACT GROUPING. 16 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.