The Fuseholder,extractor Post, cataloged under National Stock Number 5920-01-412-1080, 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 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5920-01-412-1080 |
| Primary Part Number | HKU-W |
| Item Name | Fuseholder,extractor Post |
| FSC / FSG | 5920 / 59 — Fuses, Arrestors, Absorbers, and Protectors |
| Manufacturer | Cooper Bussmann, Llc Dba Cooper Industries |
| Status | ACTIVE |
| Accommodated Fuse Length | 1.125 INCHES NOMINAL IN |
| Mounting Hole Quantity | 1 |
| Flatted Side Bushing Hole Length | 0.595 INCHES NOMINAL IN |
| Body Style | BUSHING MOUNTED TYPE |
| Mounting Hole Style | BUSHING MOUNTING |
| Overall Diameter | 0.820 INCHES NOMINAL IN |
| Length From Front Protrusion to Mounting Surface | 1.188 INCHES NOMINAL IN |
| Voltage in Volts | 250.0 |
| Fuse Terminal Type Accommodated | FERRULE |
| Cap Diameter | 0.820 INCHES NOMINAL IN |
| Bushing Hole Diameter | 0.636 INCHES NOMINAL IN |
| Environmental Protection | WATERTIGHT AND BODY SEALED AND VIBRATION PROOF AND SHOCK PROOF AND SALT SPRAY PROOF |
| Current Carrying Rating in Amps | 20.0 |
| Material | COPPER ALLOY CONTACT |
| Fuse Accommodation Quantity | 1 |
| Bushing Thread Length | 0.438 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 |
|---|---|
| HKU-W PRIMARY | Cooper Bussmann, Llc Dba Cooper Industries (USA) |
| Reference | Meaning |
|---|---|
| 265-1241-020 | 7/2 Vendor item drawing reference Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems |
NSN 5920-01-412-1080 is a Fuseholder,extractor Post, manufactured by Cooper Bussmann, Llc Dba Cooper Industries, classified under FSC 5920, Fuses, Arrestors, Absorbers, and Protectors. Status: active.
NSN 5920-01-412-1080 has 1 manufacturer part number on file: HKU-W (Cooper Bussmann, Llc Dba Cooper Industries).
Key specifications for HKU-W: Accommodated Fuse Length: 1.125 INCHES NOMINAL IN; Mounting Hole Quantity: 1; Flatted Side Bushing Hole Length: 0.595 INCHES NOMINAL IN; Body Style: BUSHING MOUNTED TYPE. 16 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.