The Backshell,electrical Connector, cataloged under National Stock Number 5935-01-331-3945, is classified within Federal Supply Class 5935 (Connectors, Electrical) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Electro Adapter Inc. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5935-01-331-3945 |
| Primary Part Number | 900-557-02-3031-55 |
| Item Name | Backshell,electrical Connector |
| FSC / FSG | 5935 / 59 — Connectors, Electrical |
| Manufacturer | Electro Adapter Inc |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 1 THREADED COUPLING |
| Overall Diameter | 1.750 INCHES NOMINAL IN |
| Style Designator | STRAIGHT SHAPE REDUCER TYPE |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.750 INCHES IN |
| Cable Opening Quantity | 1 |
| Surface Treatment | CADMIUM AND NICKEL |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 18 |
| Material | ALUMINUM ALLOY |
| Thread Series Designator | UNEF |
| Cable Opening Diameter | 0.370 INCHES MINIMUM AND 0.380 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 |
|---|---|
| 900-557-02-3031-55 | Electro Adapter Inc (USA) |
| Reference | Meaning |
|---|---|
| 841436-51 | 3/9 Design control — primary reference Litton Systems Inc. Div Navigation Systems Division |
NSN 5935-01-331-3945 is a Backshell,electrical Connector, manufactured by Electro Adapter Inc, classified under FSC 5935, Connectors, Electrical. Status: active.
NSN 5935-01-331-3945 has 1 manufacturer part number on file: 900-557-02-3031-55 (Electro Adapter Inc).
Key specifications for 900-557-02-3031-55: Mounting Facility Type and Quantity: 1 THREADED COUPLING; Overall Diameter: 1.750 INCHES NOMINAL IN; Style Designator: STRAIGHT SHAPE REDUCER TYPE; Overall Length: 1.094 INCHES MINIMUM AND 1.156 INCHES MAXIMUM IN. 12 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.