The Backshell,electrical Connector, cataloged under National Stock Number 5935-01-129-9971, is classified within Federal Supply Class 5935 (Connectors, Electrical) of the Electrical and Electronic Equipment Components group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 5 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5935-01-129-9971 |
| Item Name | Backshell,electrical Connector |
| FSC / FSG | 5935 / 59 — Connectors, Electrical |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 1 THREADED COUPLING |
| Distance From Centerline to Cable End | 2.500 INCHES MAXIMUM IN |
| Body Angle in Deg | 90.0 |
| Style Designator | ANGLE TYPE W/CLAMP |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.562 INCHES IN |
| Specification/standard Data | 81349-MIL-C-38999/8 GOVERNMENT SPECIFICATION |
| Cable Opening Quantity | 1 |
| Size Designation | 10 |
| Surface Treatment | CADMIUM AND NICKEL |
| Thread Class | 2B |
| Test Data Document | 81349-MIL-C-38999 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 |
| Cable Opening Diameter | 0.250 INCHES MINIMUM AND 0.375 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 |
| Reference | Meaning |
|---|---|
| M38999/8-10B03 | 2/2 Government specification standardization U.S. Government activity |
| MIL-C-38999/8 | 4/1 Identification reference U.S. Government activity |
| 10082758 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5935-01-129-9971 is a Backshell,electrical Connector, classified under FSC 5935, Connectors, Electrical. Status: active.
5 possible matches (shared part number, not a government interchangeability claim): 5935-01-130-1884, 5935-01-150-3633, 5935-01-212-0288. Verify interchangeability with system specifications before substitution.
Key specifications for 5935-01-129-9971: Mounting Facility Type and Quantity: 1 THREADED COUPLING; Distance From Centerline to Cable End: 2.500 INCHES MAXIMUM IN; Body Angle in Deg: 90.0; Style Designator: ANGLE TYPE W/CLAMP. 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.