The Connector,receptacle,electrical, cataloged under National Stock Number 5935-01-286-9658, is classified within Federal Supply Class 5935 (Connectors, Electrical) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Bulgin Components Plc. Government technical data includes 22 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5935-01-286-9658 |
| Primary Part Number | P503 |
| Item Name | Connector,receptacle,electrical |
| FSC / FSG | 5935 / 59 — Connectors, Electrical |
| Manufacturer | Bulgin Components Plc |
| Status | ACTIVE |
| Contact Maximum Current Rating in Amps | 3.0 SINGLE MATING END FIRST CONTACT GROUPING |
| Contact Maximum Current Rating in Amps | 6.0 SINGLE MATING END SECOND CONTACT GROUPING |
| Connector Locking Method | FRICTION |
| Body Style | RECTANGULAR SHAPE |
| Terminal Type | PIN SINGLE MATING END ALL CONTACT GROUPINGS |
| Contact Material | COPPER ALLOY SINGLE MATING END ALL CONTACT GROUPINGS |
| Mating End Quantity | 1 |
| Precious Material | GOLD |
| Contact Position Arrangement Style | 2 SINGLE MATING END |
| Body Width | 7.9 MILLIMETERS NOMINAL MM |
| Precious Material and Weight | 0.002 GOLD GRAINS, TROY |
| Terminal Location | BACK SINGLE MATING END ALL CONTACT GROUPINGS |
| Included Contact Quantity | 1 SINGLE MATING END SECOND CONTACT GROUPING |
| Included Contact Quantity | 1 SINGLE MATING END FIRST CONTACT GROUPING |
| Included Contact Type | ROUND PIN SINGLE MATING END FIRST CONTACT GROUPING |
| Included Contact Type | ROUND SOCKET SINGLE MATING END SECOND CONTACT GROUPING |
| Polarization Method | CONTACT |
| Contact Surface Treatment Document and Classification | QQ-S-365 FED SPEC SINGLE TREATMENT RESPONSE SINGLE MATING END ALL CONTACT GROUPINGS |
| Precious Material and Location | CONTACT SURFACES GOLD |
| Contact Removability | NONREMOVABLE SINGLE MATING END ALL CONTACT GROUPINGS |
| Contact Surface Treatment | SILVER SINGLE MATING END ALL CONTACT GROUPINGS |
| Insert Material | PLASTIC PHENOLIC 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 |
|---|---|
| P503 | Bulgin Components Plc (GBR) |
| Reference | Meaning |
|---|---|
| 23423-105A | 3/9 Design control — primary reference Viavi Solutionsllc |
| 23423-105A | 5/9 Secondary reference Marconi Electronics Inc Marconi Instruments Div |
NSN 5935-01-286-9658 is a Connector,receptacle,electrical, manufactured by Bulgin Components Plc, classified under FSC 5935, Connectors, Electrical. Status: active.
NSN 5935-01-286-9658 has 1 manufacturer part number on file: P503 (Bulgin Components Plc).
Key specifications for P503: Overall Height: 30.5 MILLIMETERS NOMINAL MM; Contact Maximum Current Rating in Amps: 3.0 SINGLE MATING END FIRST CONTACT GROUPING; Contact Maximum Current Rating in Amps: 6.0 SINGLE MATING END SECOND CONTACT GROUPING; Connector Locking Method: FRICTION. 22 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.