The Backshell,electrical Connector, cataloged under National Stock Number 5935-01-256-0252, is classified within Federal Supply Class 5935 (Connectors, Electrical) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Sae International Dba Sae International. Government technical data includes 13 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through both NSN and commercial part number lookups. 10 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5935-01-256-0252 |
| Primary Part Number | M85049/31-12W |
| Item Name | Backshell,electrical Connector |
| FSC / FSG | 5935 / 59 — Connectors, Electrical |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 1 THREADED COUPLING |
| Overall Diameter | 0.813 INCHES MINIMUM AND 0.858 INCHES MAXIMUM IN |
| Style Designator | STRAIGHT TYPE |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.750 INCHES IN |
| Specification/standard Data | 81349-MIL-C-85049/31 GOVERNMENT SPECIFICATION |
| Size Designation | 7 AND 12 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 | 20 |
| 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 |
|---|---|
| M85049/31-12W | Leonardo Spa Helicopters Division - Production Site (ITA) |
| M85049/31-12W PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| ASC1566520 | 5/9 Secondary reference Asc Pty Ltd |
| MS3416-12N | 5/9 Secondary reference U.S. Government activity |
| SAE-AS85049/31 | 3/1 Design control — primary reference Sae International Dba Sae International |
| M83723/15N12R | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| MS3416-12EN | 5/9 Secondary reference U.S. Government activity |
| MS3416-12EC | 5/9 Secondary reference U.S. Government activity |
| MILC5015 | 5/9 Secondary reference U.S. Government activity |
| M85049/31-12W | 5/9 Secondary reference U.S. Government activity |
| MIL-C-85049/31 | 5/9 Secondary reference U.S. Government activity |
| MS3416-12S-E-N | C/1 Advisory reference — outside the item-of-supply concept Amphenol Optimize Manufacturing Co. Div Amphenol Aerospace/matrix |
NSN 5935-01-256-0252 is a Backshell,electrical Connector, manufactured by Sae International Dba Sae International, classified under FSC 5935, Connectors, Electrical. Status: active.
NSN 5935-01-256-0252 has 2 manufacturer part numbers on file: M85049/31-12W (Leonardo Spa Helicopters Division - Production Site), M85049/31-12W (Sae International Dba Sae International).
Key specifications for M85049/31-12W: Mounting Facility Type and Quantity: 1 THREADED COUPLING; Overall Diameter: 0.813 INCHES MINIMUM AND 0.858 INCHES MAXIMUM IN; Style Designator: STRAIGHT TYPE; Overall Length: 0.478 INCHES MINIMUM AND 0.540 INCHES MAXIMUM IN. 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.