The Backshell,electrical Connector, cataloged under National Stock Number 5935-01-180-3400, is classified within Federal Supply Class 5935 (Connectors, Electrical) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Bae Systems Bofors Ab. Government technical data includes 14 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5935-01-180-3400 |
| Primary Part Number | X21-562-159 |
| Item Name | Backshell,electrical Connector |
| FSC / FSG | 5935 / 59 — Connectors, Electrical |
| Manufacturer | Bae Systems Bofors Ab |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 1 THREADED COUPLING |
| Nominal Thread Length | 0.219 INCHES IN |
| Overall Diameter | 0.858 INCHES MAXIMUM IN |
| Style Designator | STRAIGHT SHAPE SOLID TYPE |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.687 INCHES IN |
| Specification/standard Data | 81349-MIL-C-85049/60 GOVERNMENT SPECIFICATION |
| Size Designation | 7 AND 11 AND 12S |
| Surface Treatment | CADMIUM AND CHROMATE |
| Thread Class | 2B |
| Test Data Document | 81349-MIL-C-85049 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| Thread Quantity Per Inch | 24 |
| Material | ALUMINUM ALLOY |
| Thread Series Designator | UNEF |
| 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 |
|---|---|
| X21-562-159 | Bae Systems Bofors Ab (SWE) |
| Reference | Meaning |
|---|---|
| X21-562-159 | 5/9 Secondary reference Bofors Ab |
| MIL-C-85049/60 | 4/1 Identification reference U.S. Government activity |
| M85049/60-1W12 | 2/2 Government specification standardization U.S. Government activity |
NSN 5935-01-180-3400 is a Backshell,electrical Connector, manufactured by Bae Systems Bofors Ab, classified under FSC 5935, Connectors, Electrical. Status: active.
NSN 5935-01-180-3400 has 1 manufacturer part number on file: X21-562-159 (Bae Systems Bofors Ab).
1 possible match (shared part number, not a government interchangeability claim): 5935-01-189-3226. Verify interchangeability with system specifications before substitution.
Key specifications for X21-562-159: Mounting Facility Type and Quantity: 1 THREADED COUPLING; Nominal Thread Length: 0.219 INCHES IN; Overall Diameter: 0.858 INCHES MAXIMUM IN; Style Designator: STRAIGHT SHAPE SOLID TYPE. 14 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.