The Fuseholder,extractor Post, cataloged under National Stock Number 5920-00-577-0191, 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 22 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government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 | 5920-00-577-0191 |
| Primary Part Number | HCMDEHJLQRWZ |
| 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 |
| Mounting Hole Quantity | 1 |
| Body Style | BUSHING MOUNTED TYPE |
| Mounting Hole Style | BUSHING MOUNTING W/KEYWAY |
| Overall Diameter | 0.812 INCHES NOMINAL IN |
| Length From Front Protrusion to Mounting Surface | 0.688 INCHES NOMINAL IN |
| Voltage in Volts | 250.0 |
| Material Document and Classification | MIL-M-14, TYPE CFG MIL SPEC SINGLE MATERIAL RESPONSE BODY |
| Bushing Diameter | 0.625 INCHES NOMINAL IN |
| Accommodated Ferrule Diameter | 0.250 INCHES NOMINAL IN |
| Fuse Terminal Type Accommodated | FERRULE |
| Cap Diameter | 0.750 INCHES NOMINAL IN |
| Keyway Width | 0.205 INCHES NOMINAL IN |
| Surface Treatment | NICKEL CONTACT |
| Surface Treatment | TIN TERMINAL |
| Environmental Protection | DRIPPROOF |
| Current Carrying Rating in Amps | 8.0 |
| Material | COPPER ALLOY CONTACT |
| Material | PLASTIC PHENOLIC AND CELLULOSE BODY |
| Terminal Type and Quantity | 2 TAB, SOLDER LUG |
| Fuse Accommodation Quantity | 1 |
| Bushing Thread Length | 0.469 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 |
|---|---|
| HCMDEHJLQRWZ PRIMARY | Cooper Bussmann, Llc Dba Cooper Industries (USA) |
| Reference | Meaning |
|---|---|
| 251-004 | 5/9 Secondary reference Johnson E F Co Comco/communications Co Div |
NSN 5920-00-577-0191 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 5920-00-577-0191 has 1 manufacturer part number on file: HCMDEHJLQRWZ (Cooper Bussmann, Llc Dba Cooper Industries).
2 possible matches (shared part number, not a government interchangeability claim): 6525-01-428-1472, 6550-01-517-2514. Verify interchangeability with system specifications before substitution.
Key specifications for HCMDEHJLQRWZ: Accommodated Fuse Length: 1.250 INCHES NOMINAL IN; Mounting Hole Quantity: 1; Body Style: BUSHING MOUNTED TYPE; Mounting Hole Style: BUSHING MOUNTING W/KEYWAY. 22 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.