The Case,switch Box, cataloged under National Stock Number 5975-01-421-7899, is classified within Federal Supply Class 5975 (Electrical Hardware and Supplies) of the Electrical and Electronic Equipment Components group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5975-01-421-7899 |
| Item Name | Case,switch Box |
| FSC / FSG | 5975 / 59 — Electrical Hardware and Supplies |
| Status | ACTIVE |
| Component Quantity | 2 |
| Handle Location | CASE CENTER |
| Overall Diameter | 6.000 INCHES NOMINAL IN |
| Locking Device Type | SLIDE SPRING |
| Locking Device | INCLUDED |
| Handle Quantity | 1 |
| Material | COPPER ALLOY |
| 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 |
|---|---|
| C-2400 | 3/9 Design control — primary reference L3 Technologies, Inc. |
NSN 5975-01-421-7899 is a Case,switch Box, classified under FSC 5975, Electrical Hardware and Supplies. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 6850-01-579-7629. Verify interchangeability with system specifications before substitution.
Key specifications for 5975-01-421-7899: Component Quantity: 2; Handle Location: CASE CENTER; Overall Diameter: 6.000 INCHES NOMINAL IN; Locking Device Type: SLIDE SPRING. 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.