The Fuse,cartridge, cataloged under National Stock Number 5920-01-580-4557, 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 11 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5920-01-580-4557 |
| Primary Part Number | FWA250B |
| 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 | 250.000 |
| Body Style | HOLE TYPE |
| Overall Diameter | 1.000 INCHES NOMINAL IN |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 2.062 INCHES NOMINAL IN |
| Terminal Thickness | 0.125 INCHES NOMINAL IN |
| Interruption Indicator Method | OPAQUE BODY |
| Features Provided | NONRENEWABLE FUSIBLE ELEMENT |
| Body Length | 1.156 INCHES NOMINAL IN |
| Maximum Voltage Rating in Volts | 150.0 DC |
| Circuit Over-Current Interruption Type | NORMAL INSTANTANEOUS |
| Mounting Slot Width | 0.312 INCHES NOMINAL IN |
| 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 |
|---|---|
| FWA250B PRIMARY | Cooper Bussmann, Llc Dba Cooper Industries (USA) |
NSN 5920-01-580-4557 is a Fuse,cartridge, manufactured by Cooper Bussmann, Llc Dba Cooper Industries, classified under FSC 5920, Fuses, Arrestors, Absorbers, and Protectors. Status: active.
NSN 5920-01-580-4557 has 1 manufacturer part number on file: FWA250B (Cooper Bussmann, Llc Dba Cooper Industries).
Key specifications for FWA250B: Continuous Current Rating in Amps: 250.000; Body Style: HOLE TYPE; Overall Diameter: 1.000 INCHES NOMINAL IN; Center to Center Distance Between Mounting Facilities Parallel to Length: 2.062 INCHES NOMINAL IN. 11 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.