The Circuit Breaker, cataloged under National Stock Number 5925-01-591-7979, is classified within Federal Supply Class 5925 (Circuit Breakers) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Te Connectivity Corporation. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 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 | 5925-01-591-7979 |
| Primary Part Number | K-1000A1F03 |
| Item Name | Circuit Breaker |
| FSC / FSG | 5925 / 59 — Circuit Breakers |
| Manufacturer | Te Connectivity Corporation |
| Status | ACTIVE |
| 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 |
|---|---|
| K-1000A1F03 PRIMARY | Te Connectivity Corporation (USA) |
NSN 5925-01-591-7979 is a Circuit Breaker, manufactured by Te Connectivity Corporation, classified under FSC 5925, Circuit Breakers. Status: active.
NSN 5925-01-591-7979 has 1 manufacturer part number on file: K-1000A1F03 (Te Connectivity Corporation).
1 possible match (shared part number, not a government interchangeability claim): 5945-01-681-7696. Verify interchangeability with system specifications before substitution.
Key specifications for K-1000A1F03: Part Name Assigned by Controlling Agency: CIRCUIT BREAKER; End Item Identification: 2355-01-559-0791. 0 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.