The Box Connector,electrical, cataloged under National Stock Number 5975-00-557-4648, is classified within Federal Supply Class 5975 (Electrical Hardware and Supplies) of the Electrical and Electronic Equipment Components group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5975-00-557-4648 |
| Item Name | Box Connector,electrical |
| FSC / FSG | 5975 / 59 — Electrical Hardware and Supplies |
| Status | ACTIVE |
| Item Accommodated Trade Size | 0.250 INCHES FIRST END IN |
| Thread Length | 0.141 INCHES NOMINAL SECOND END IN |
| Style Designator | PUSH-ON |
| Nominal Thread Size | 0.500 INCHES SECOND END IN |
| Surface Treatment | CHROMATE |
| Conduit Type Accommodated | RIGID METALLIC THINWALL FIRST END |
| Thread Class | 2A SECOND END A |
| Material | ALUMINUM ALLOY |
| Thread Series Designator | UNS SECOND END |
| Thread Quantity | 32 PER INCH SECOND END |
| End Type | EXTERNAL THREAD SECOND END |
| End Type | ONE WAY BITE FIRST END |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 57639 | 5/9 Secondary reference U.S. Government activity |
| SMB185274 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5975-00-557-4648 is a Box Connector,electrical, classified under FSC 5975, Electrical Hardware and Supplies. Status: active.
Key specifications for 5975-00-557-4648: Item Accommodated Trade Size: 0.250 INCHES FIRST END IN; Thread Length: 0.141 INCHES NOMINAL SECOND END IN; Style Designator: PUSH-ON; Nominal Thread Size: 0.500 INCHES SECOND END IN. 12 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.