The Backshell,electrical Connector, cataloged under National Stock Number 5935-01-058-7774, 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 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5935-01-058-7774 |
| Primary Part Number | 3421-221-03 |
| 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 | 1.594 INCHES MINIMUM AND 1.640 INCHES MAXIMUM IN |
| Style Designator | STRAIGHT SHAPE SOLID TYPE |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.312 INCHES IN |
| Cable Opening Quantity | 1 |
| Size Designation | 22 |
| Surface Treatment | CADMIUM AND CHROMATE |
| Thread Class | 2B |
| Thread Quantity Per Inch | 18 |
| Thread Series Designator | UNEF |
| Cable Opening Diameter | 1.398 INCHES MINIMUM AND 1.408 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 |
|---|---|
| 3421-221-03 PRIMARY | Electro Adapter Inc (USA) |
| MP246-8 | Cae Usa Inc. (USA) |
| Reference | Meaning |
|---|---|
| MP246-8 | 5/9 Secondary reference Raytheon Technical Services Company |
NSN 5935-01-058-7774 is a Backshell,electrical Connector, manufactured by Electro Adapter Inc, classified under FSC 5935, Connectors, Electrical. Status: active.
NSN 5935-01-058-7774 has 2 manufacturer part numbers on file: 3421-221-03 (Electro Adapter Inc), MP246-8 (Cae Usa Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5935-01-059-7221. Verify interchangeability with system specifications before substitution.
Key specifications for 3421-221-03: Mounting Facility Type and Quantity: 1 THREADED COUPLING; Overall Diameter: 1.594 INCHES MINIMUM AND 1.640 INCHES MAXIMUM IN; Style Designator: STRAIGHT SHAPE SOLID TYPE; Overall Length: 0.600 INCHES NOMINAL 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.