The Fuseholder,extractor Post, cataloged under National Stock Number 5920-00-577-8520, 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 26 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5920-00-577-8520 |
| Primary Part Number | HKLJRWXZ680K |
| Item Name | Fuseholder,extractor Post |
| FSC / FSG | 5920 / 59 — Fuses, Arrestors, Absorbers, and Protectors |
| Manufacturer | Cooper Bussmann, Llc Dba Cooper Industries |
| Status | ACTIVE |
| Resistor Rating | 220.0 KILOHMS |
| Accommodated Fuse Length | 1.250 INCHES NOMINAL IN |
| Body Diameter | 0.812 INCHES NOMINAL IN |
| Mounting Hole Quantity | 1 |
| Flatted Side Bushing Hole Length | 0.585 INCHES MINIMUM AND 0.595 INCHES MAXIMUM IN |
| Body Style | BUSHING MOUNTED TYPE |
| Lens Color | CLEAR |
| Mounting Hole Style | BUSHING MOUNTING |
| Length From Front Protrusion to Mounting Surface | 1.188 INCHES NOMINAL IN |
| Voltage in Volts | 250.0 |
| Interruption Indicator Method | NEON LAMP |
| Bushing Diameter | 0.625 INCHES NOMINAL IN |
| Accommodated Ferrule Diameter | 0.250 INCHES NOMINAL IN |
| Fuse Terminal Type Accommodated | FERRULE |
| Cap Diameter | 0.688 INCHES NOMINAL IN |
| Bushing Hole Diameter | 0.625 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN |
| Surface Treatment | COPPER AND TIN AND ZINC CONTACT |
| Environmental Protection | DRIPPROOF |
| Current Carrying Rating in Amps | 20.0 |
| Material | PLASTIC BODY |
| Material | COPPER ALLOY CONTACT |
| Material | COPPER ALLOY TERMINAL |
| Terminal Type and Quantity | 2 TAB, SOLDER LUG |
| Fuse Accommodation Quantity | 1 |
| Indicating Lamp Voltage Range in Volts | +100.0 TO 250.0 |
| 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 |
|---|---|
| HKLJRWXZ680K PRIMARY | Cooper Bussmann, Llc Dba Cooper Industries (USA) |
| Reference | Meaning |
|---|---|
| FU1069-6 | 5/9 Secondary reference U.S. Government activity |
NSN 5920-00-577-8520 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 5920-00-577-8520 has 1 manufacturer part number on file: HKLJRWXZ680K (Cooper Bussmann, Llc Dba Cooper Industries).
Key specifications for HKLJRWXZ680K: Resistor Rating: 220.0 KILOHMS; Accommodated Fuse Length: 1.250 INCHES NOMINAL IN; Body Diameter: 0.812 INCHES NOMINAL IN; Mounting Hole Quantity: 1. 26 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.