The Backshell,electrical Connector, cataloged under National Stock Number 5935-00-013-9889, is classified within Federal Supply Class 5935 (Connectors, Electrical) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Joslyn Sunbank Company, Llc Dba Joslyn Sunbank Co Llc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5935-00-013-9889 |
| Primary Part Number | S1256 |
| Item Name | Backshell,electrical Connector |
| FSC / FSG | 5935 / 59 — Connectors, Electrical |
| Manufacturer | Joslyn Sunbank Company, Llc Dba Joslyn Sunbank Co Llc |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 1 THREADED COUPLING |
| Seal Type | PREFORMED PACKING |
| Distance From Centerline to Cable End | 2.250 INCHES MAXIMUM IN |
| Body Angle in Deg | 90.0 |
| Distance From Centerline to Connector End | 3.250 INCHES MAXIMUM IN |
| Style Designator | ANGLE TYPE W/CLAMP |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 2.062 INCHES IN |
| Cable Opening Quantity | 1 |
| Surface Treatment | CADMIUM |
| Thread Class | 2B |
| Thread Quantity Per Inch | 16 |
| Thread Series Designator | UN |
| Cable Opening Diameter | 1.380 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 |
|---|---|
| S1256 | Joslyn Sunbank Company, Llc Dba Joslyn Sunbank Co Llc (USA) |
| Reference | Meaning |
|---|---|
| SMC586564-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5935-00-013-9889 is a Backshell,electrical Connector, manufactured by Joslyn Sunbank Company, Llc Dba Joslyn Sunbank Co Llc, classified under FSC 5935, Connectors, Electrical. Status: active.
NSN 5935-00-013-9889 has 1 manufacturer part number on file: S1256 (Joslyn Sunbank Company, Llc Dba Joslyn Sunbank Co Llc).
2 possible matches (shared part number, not a government interchangeability claim): 5962-01-040-5154, 5310-01-642-5759. Verify interchangeability with system specifications before substitution.
Key specifications for S1256: Mounting Facility Type and Quantity: 1 THREADED COUPLING; Seal Type: PREFORMED PACKING; Distance From Centerline to Cable End: 2.250 INCHES MAXIMUM IN; Body Angle in Deg: 90.0. 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.