The Fuse,cartridge, cataloged under National Stock Number 5920-00-933-3259, is classified within Federal Supply Class 5920 (Fuses, Arrestors, Absorbers, and Protectors) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Cooper Bussmann, Llc Dba Cooper Industries. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 5920-00-933-3259 |
| Primary Part Number | KAB1 |
| Item Name | Fuse,cartridge |
| FSC / FSG | 5920 / 59 — Fuses, Arrestors, Absorbers, and Protectors |
| Manufacturer | Cooper Bussmann, Llc Dba Cooper Industries |
| Status | ACTIVE |
| Continuous Current Rating in Amps | 1.000 |
| Body Style | TUBE TYPE |
| Overall Diameter | 0.562 INCHES NOMINAL IN |
| Interruption Indicator Method | OPAQUE BODY |
| Features Provided | NONRENEWABLE FUSIBLE ELEMENT |
| Surface Treatment | NICKEL TERMINAL |
| Maximum Voltage Rating in Volts | 250.0 AC AND 250.0 DC |
| Circuit Over-Current Interruption Type | NORMAL INSTANTANEOUS |
| 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 |
|---|---|
| KAB1 PRIMARY | Cooper Bussmann, Llc Dba Cooper Industries (USA) |
| 44-1244 | Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc (USA) |
| L25S001 PRIMARY | Littelfuse, Inc. (USA) |
| 44-1050 | Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc (USA) |
| Reference | Meaning |
|---|---|
| A25X1 | 5/9 Secondary reference Mersen Usa Ep Corp. Dba Ferraz Shawmut |
| 5920PL0810296 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| KLB1 | 5/9 Secondary reference Littelfuse, Inc. |
NSN 5920-00-933-3259 is a Fuse,cartridge, manufactured by Cooper Bussmann, Llc Dba Cooper Industries, classified under FSC 5920, Fuses, Arrestors, Absorbers, and Protectors. Status: active.
NSN 5920-00-933-3259 has 4 manufacturer part numbers on file: KAB1 (Cooper Bussmann, Llc Dba Cooper Industries), 44-1244 (Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc), L25S001 (Littelfuse, Inc.), 44-1050 (Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc).
4 possible matches (shared part number, not a government interchangeability claim): 6680-00-936-5062, 4730-01-008-7825, 6210-01-258-6265. Verify interchangeability with system specifications before substitution.
Key specifications for KAB1: Continuous Current Rating in Amps: 1.000; Body Style: TUBE TYPE; Overall Diameter: 0.562 INCHES NOMINAL IN; Overall Length: 2.000 INCHES NOMINAL IN. 8 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.