The Box Connector,electrical, cataloged under National Stock Number 5975-01-024-6125, is classified within Federal Supply Class 5975 (Electrical Hardware and Supplies) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Egs Electrical Group Appleton Div. Government technical data includes 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5975-01-024-6125 |
| Primary Part Number | STB50 |
| Item Name | Box Connector,electrical |
| FSC / FSG | 5975 / 59 — Electrical Hardware and Supplies |
| Manufacturer | Egs Electrical Group Appleton Div |
| Status | ACTIVE |
| Item Accommodated Trade Size | 0.500 INCHES FIRST END IN |
| Style Designator | STRAIGHT |
| Conduit Type Accommodated | FLEXIBLE METALLIC FIRST END |
| Material | STEEL |
| End Type | EXTERNAL THREAD SECOND END |
| End Type | GLAND NUT W/INTERNAL THREAD FIRST END |
| Hazardous Locations/environmental Protection | EXPLOSION PROOF NEC CL.I, GP.ABCD;CL.II, GP.EFG;CL.III |
| 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 |
|---|---|
| STB50 PRIMARY | Egs Electrical Group Appleton Div (USA) |
| Reference | Meaning |
|---|---|
| SM-A-949385-1 | 5/2 Secondary reference U.S. Government activity |
| STB-50 | C/1 Advisory reference — outside the item-of-supply concept Appleton Electric Co |
NSN 5975-01-024-6125 is a Box Connector,electrical, manufactured by Egs Electrical Group Appleton Div, classified under FSC 5975, Electrical Hardware and Supplies. Status: active.
NSN 5975-01-024-6125 has 1 manufacturer part number on file: STB50 (Egs Electrical Group Appleton Div).
Key specifications for STB50: Item Accommodated Trade Size: 0.500 INCHES FIRST END IN; Style Designator: STRAIGHT; Conduit Type Accommodated: FLEXIBLE METALLIC FIRST END; Material: STEEL. 7 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.