The Fuseholder,extractor Post, cataloged under National Stock Number 5920-00-577-3485, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5920-00-577-3485 |
| Primary Part Number | HMRC |
| 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 | 1.250 INCHES NOMINAL IN |
| Flatted Side Bushing Hole Length | 0.478 INCHES MAXIMUM IN |
| Body Style | SHIELDED-BUSHING MOUNTED TYPE |
| Mounting Hole Style | BUSHING MOUNTING |
| Length From Front Protrusion to Mounting Surface | 0.906 INCHES NOMINAL IN |
| Voltage in Volts | 250.0 |
| Body Length | 1.812 INCHES NOMINAL IN |
| Accommodated Ferrule Diameter | 0.250 INCHES NOMINAL IN |
| Cap Diameter | 0.875 INCHES NOMINAL IN |
| Bushing Hole Diameter | 0.580 INCHES MAXIMUM IN |
| Surface Treatment | TIN CONTACT |
| Environmental Protection | SHOCK PROOF |
| Material | COPPER ALLOY CONTACT |
| Terminal Type and Quantity | 2 TAB, SOLDER LUG |
| 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 |
|---|---|
| HMRC PRIMARY | Cooper Bussmann, Llc Dba Cooper Industries (USA) |
| Reference | Meaning |
|---|---|
| 283960 | 5/2 Secondary reference U.S. Government activity |
| 2102-283960 | 5/2 Secondary reference U.S. Government activity |
NSN 5920-00-577-3485 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 5920-00-577-3485 has 1 manufacturer part number on file: HMRC (Cooper Bussmann, Llc Dba Cooper Industries).
Key specifications for HMRC: Accommodated Fuse Length: 1.250 INCHES NOMINAL IN; Flatted Side Bushing Hole Length: 0.478 INCHES MAXIMUM IN; Body Style: SHIELDED-BUSHING MOUNTED TYPE; Mounting Hole Style: BUSHING MOUNTING. 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.