The Backshell,electrical Connector, cataloged under National Stock Number 5935-00-173-5048, is classified within Federal Supply Class 5935 (Connectors, Electrical) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Pilatus Aircraft Ltd. 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5935-00-173-5048 |
| Primary Part Number | 971.95.90.027 |
| Item Name | Backshell,electrical Connector |
| FSC / FSG | 5935 / 59 — Connectors, Electrical |
| Manufacturer | Pilatus Aircraft Ltd |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 1 THREADED COUPLING |
| Nominal Thread Length | 0.188 INCHES AND 0.219 INCHES IN |
| Style Designator | STRAIGHT TYPE W/CABLE CLAMP |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.062 INCHES IN |
| Specification/standard Data | 81349-MIL-C-38999 GOVERNMENT SPECIFICATION |
| Cable Opening Quantity | 1 |
| Size Designation | 18 AND 19 |
| Surface Treatment | CADMIUM |
| Thread Class | 2B |
| Test Data Document | 81349-MILC38999 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.). |
| Material | ALUMINUM ALLOY |
| Thread Series Designator | UNEF |
| Cable Opening Diameter | 0.734 INCHES MINIMUM 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 |
|---|---|
| 971.95.90.027 | Pilatus Aircraft Ltd (CHE) |
| Reference | Meaning |
|---|---|
| MS27506B19-1 | 5/9 Secondary reference U.S. Government activity |
| MILC38999 | 5/9 Secondary reference U.S. Government activity |
| MIL-C-38999 | 4/1 Identification reference U.S. Government activity |
| 1MS27506-A-18-2 | C/1 Advisory reference — outside the item-of-supply concept Glenair, Inc. |
| MS27506B18-2 | 2/2 Government specification standardization U.S. Government activity |
NSN 5935-00-173-5048 is a Backshell,electrical Connector, manufactured by Pilatus Aircraft Ltd, classified under FSC 5935, Connectors, Electrical. Status: active.
NSN 5935-00-173-5048 has 1 manufacturer part number on file: 971.95.90.027 (Pilatus Aircraft Ltd).
2 possible matches (shared part number, not a government interchangeability claim): 5935-00-500-8779, 5935-01-201-4467. Verify interchangeability with system specifications before substitution.
Key specifications for 971.95.90.027: Mounting Facility Type and Quantity: 1 THREADED COUPLING; Overall Height: 1.469 INCHES MAXIMUM IN; Nominal Thread Length: 0.188 INCHES AND 0.219 INCHES IN; Style Designator: STRAIGHT TYPE W/CABLE CLAMP. 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.