The Box Connector,electrical, cataloged under National Stock Number 5975-01-387-1056, is classified within Federal Supply Class 5975 (Electrical Hardware and Supplies) 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 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5975-01-387-1056 |
| Primary Part Number | S1124-5-4 |
| Item Name | Box Connector,electrical |
| FSC / FSG | 5975 / 59 — Electrical Hardware and Supplies |
| Manufacturer | Joslyn Sunbank Company, Llc Dba Joslyn Sunbank Co Llc |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-416 TYPE 11,CLASS 3(OLIVE DRAB COLOR) FED SPEC SINGLE TREATMENT RESPONSE |
| Style Designator | STRAIGHT |
| Material Document and Classification | QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE AND QQ-A-225/8 FED SPEC SINGLE MATERIAL RESPONSE |
| Nominal Thread Size | 0.750 INCHES SINGLE END IN |
| Surface Treatment | CADMIUM |
| Thread Class | 2A SINGLE END A |
| Material | ALUMINUM |
| Thread Series Designator | UN SINGLE END |
| Thread Quantity | 18 PER INCH SINGLE END |
| End Type | FITTING/BOX CONNECTOR, RING CABLE STOP SINGLE END |
| 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 |
|---|---|
| S1124-5-4 PRIMARY | Joslyn Sunbank Company, Llc Dba Joslyn Sunbank Co Llc (USA) |
| Reference | Meaning |
|---|---|
| S1124 | D/9 Drawing number reference only Joslyn Sunbank Company, Llc Dba Joslyn Sunbank Co Llc |
NSN 5975-01-387-1056 is a Box Connector,electrical, manufactured by Joslyn Sunbank Company, Llc Dba Joslyn Sunbank Co Llc, classified under FSC 5975, Electrical Hardware and Supplies. Status: active.
NSN 5975-01-387-1056 has 1 manufacturer part number on file: S1124-5-4 (Joslyn Sunbank Company, Llc Dba Joslyn Sunbank Co Llc).
1 possible match (shared part number, not a government interchangeability claim): 9320-01-621-1923. Verify interchangeability with system specifications before substitution.
Key specifications for S1124-5-4: Surface Treatment Document and Classification: QQ-P-416 TYPE 11,CLASS 3(OLIVE DRAB COLOR) FED SPEC SINGLE TREATMENT RESPONSE; Style Designator: STRAIGHT; Material Document and Classification: QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE AND QQ-A-225/8 FED SPEC SINGLE MATERIAL RESPONSE; Nominal Thread Size: 0.750 INCHES SINGLE END IN. 10 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.