The Extension,junction Box, cataloged under National Stock Number 5975-00-820-1581, is classified within Federal Supply Class 5975 (Electrical Hardware and Supplies) of the Electrical and Electronic Equipment Components group. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 5975-00-820-1581 |
| Item Name | Extension,junction Box |
| FSC / FSG | 5975 / 59 — Electrical Hardware and Supplies |
| Status | ACTIVE |
| Inside Depth | 0.937 INCHES NOMINAL IN |
| Special Test Features | FOR USE W/SERIES 500,700 AND 5700 WIREMOLD |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| 5751-1 | 5/9 Secondary reference The Wiremold Co Dba Wiremold Co the Div Electrical Wiring System |
| V5751 | 3/9 Design control — primary reference The Wiremold Co Dba Wiremold Co the Div Electrical Wiring System |
NSN 5975-00-820-1581 is a Extension,junction Box, classified under FSC 5975, Electrical Hardware and Supplies. Status: active.
3 possible matches (shared part number, not a government interchangeability claim): 5330-00-917-1190, 5962-01-316-9556, 5315-01-353-0588. Verify interchangeability with system specifications before substitution.
Key specifications for 5975-00-820-1581: Inside Depth: 0.937 INCHES NOMINAL IN; Special Test Features: FOR USE W/SERIES 500,700 AND 5700 WIREMOLD; Overall Length: 4.625 INCHES NOMINAL IN; Overall Width: 2.875 INCHES NOMINAL IN. 3 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.