The Connector,receptacle,electrical, cataloged under National Stock Number 5935-00-776-4591, 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 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5935-00-776-4591 |
| Primary Part Number | 81H1-1 |
| Item Name | Connector,receptacle,electrical |
| FSC / FSG | 5935 / 59 — Connectors, Electrical |
| Manufacturer | Lockheed Martin Corporation Div Rotary and Mission Systems |
| Status | ACTIVE |
| Contact Maximum Current Rating in Amps | 5.0 SINGLE MATING END SINGLE CONTACT GROUPING |
| Contact Material | COPPER ALLOY SINGLE MATING END SINGLE CONTACT GROUPING |
| Mating End Quantity | 1 |
| Precious Material | GOLD |
| Insert Position in Deg | 0.0 |
| Unthreaded Mounting Hole Diameter | 0.312 INCHES NOMINAL IN |
| Terminal Location | BACK SINGLE MATING END SINGLE CONTACT GROUPING |
| Included Contact Quantity | 22 SINGLE MATING END SINGLE CONTACT GROUPING |
| Included Contact Type | ROUND PIN SINGLE MATING END SINGLE CONTACT GROUPING |
| Contact Maximum AC Voltage Rating in Volts | 600.0 SINGLE MATING END SINGLE CONTACT GROUPING |
| Polarization Method | FIXED CONTACT TO CONTACT |
| Environmental Protection | MOISTURE RESISTANT AND SALT WATER RESISTANT |
| Precious Material and Location | CONTACT SURFACE GOLD |
| Contact Removability | NONREMOVABLE SINGLE MATING END SINGLE CONTACT GROUPING |
| Contact Surface Treatment | GOLD SINGLE MATING END SINGLE CONTACT GROUPING |
| Insert Material | PLASTIC 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 |
|---|---|
| 81H1-1 | Lockheed Martin Corporation Div Rotary and Mission Systems (USA) |
| Reference | Meaning |
|---|---|
| 600-70-17M | 3/2 Design control — primary reference U.S. Government activity |
NSN 5935-00-776-4591 is a Connector,receptacle,electrical, manufactured by Lockheed Martin Corporation Div Rotary and Mission Systems, classified under FSC 5935, Connectors, Electrical. Status: active.
NSN 5935-00-776-4591 has 1 manufacturer part number on file: 81H1-1 (Lockheed Martin Corporation Div Rotary and Mission Systems).
Key specifications for 81H1-1: Contact Maximum Current Rating in Amps: 5.0 SINGLE MATING END SINGLE CONTACT GROUPING; Contact Material: COPPER ALLOY SINGLE MATING END SINGLE CONTACT GROUPING; Mating End Quantity: 1; Precious Material: GOLD. 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.