The Backshell,electrical Connector, cataloged under National Stock Number 5935-01-276-9981, 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 13 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5935-01-276-9981 |
| Primary Part Number | 6091299-1 |
| Item Name | Backshell,electrical Connector |
| FSC / FSG | 5935 / 59 — Connectors, Electrical |
| Manufacturer | Lockheed Martin Corporation Div Rotary and Mission Systems |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 1 THREADED COUPLING |
| Seal Type | GROMMET AND PREFORMED PACKING |
| Style Designator | STRAIGHT TYPE W/CABLE CLAMP |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.312 INCHES IN |
| Cable Opening Quantity | 1 |
| Size Designation | 22 |
| Surface Treatment | CADMIUM |
| Thread Class | 2B |
| Thread Quantity Per Inch | 18 |
| Material | RUBBER SILICONE SEAL |
| Thread Series Designator | UNEF |
| Cable Opening Diameter | 0.750 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 6091299-1 PRIMARY | Lockheed Martin Corporation Div Rotary and Mission Systems (USA) |
| SE7F2507S4-0-4ES | Joslyn Sunbank Company, Llc Dba Joslyn Sunbank Co Llc (USA) |
| 390FS011N2207L8 | Glenair, Inc. (USA) |
| Reference | Meaning |
|---|---|
| G3704B227-4N | 5/9 Secondary reference Glenair, Inc. |
| 6091299-1 | C/1 Advisory reference — outside the item-of-supply concept Lockheed Martin Corporation Div Rms - Manassas |
| 6091299-1 | C/1 Advisory reference — outside the item-of-supply concept Glenair, Inc. |
NSN 5935-01-276-9981 is a Backshell,electrical Connector, manufactured by Lockheed Martin Corporation Div Rotary and Mission Systems, classified under FSC 5935, Connectors, Electrical. Status: active.
NSN 5935-01-276-9981 has 3 manufacturer part numbers on file: 6091299-1 (Lockheed Martin Corporation Div Rotary and Mission Systems), SE7F2507S4-0-4ES (Joslyn Sunbank Company, Llc Dba Joslyn Sunbank Co Llc), 390FS011N2207L8 (Glenair, Inc.).
Key specifications for 6091299-1: Mounting Facility Type and Quantity: 1 THREADED COUPLING; Seal Type: GROMMET AND PREFORMED PACKING; Overall Height: 1.417 INCHES MINIMUM AND 1.447 INCHES MAXIMUM IN; Style Designator: STRAIGHT TYPE W/CABLE CLAMP. 13 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.