The Backshell,electrical Connector, cataloged under National Stock Number 5935-00-259-9665, is classified within Federal Supply Class 5935 (Connectors, Electrical) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Lockheed Martin Corporation Div Rms - Mitchel Field. Government technical data includes 11 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5935-00-259-9665 |
| Primary Part Number | 689531-1B |
| Item Name | Backshell,electrical Connector |
| FSC / FSG | 5935 / 59 — Connectors, Electrical |
| Manufacturer | Lockheed Martin Corporation Div Rms - Mitchel Field |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 2 THREADED HOLE(S) |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 1.250 INCHES NOMINAL IN |
| Style Designator | HOOD, TOP OPENING W/CLAMP |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.138 INCHES IN |
| Cable Opening Quantity | 1 |
| Thread Class | 2B |
| Thread Quantity Per Inch | 32 |
| Material | ALUMINUM |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Cable Opening Diameter | 0.438 INCHES NOMINAL 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 |
|---|---|
| 689531-1B | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| 8519251 | Us Army Aviation and Missile Command (USA) |
| Reference | Meaning |
|---|---|
| AH728 | 3/2 Design control — primary reference U.S. Government activity |
| A7H28 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5935-00-259-9665 is a Backshell,electrical Connector, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 5935, Connectors, Electrical. Status: active.
NSN 5935-00-259-9665 has 2 manufacturer part numbers on file: 689531-1B (Lockheed Martin Corporation Div Rms - Mitchel Field), 8519251 (Us Army Aviation and Missile Command).
Key specifications for 689531-1B: Mounting Facility Type and Quantity: 2 THREADED HOLE(S); Overall Height: 1.484 INCHES NOMINAL IN; Center to Center Distance Between Mounting Facilities Parallel to Length: 1.250 INCHES NOMINAL IN; Style Designator: HOOD, TOP OPENING W/CLAMP. 11 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.