The Fuseholder,extractor Post, cataloged under National Stock Number 5920-00-642-7538, 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 Littelfuse, Inc.. 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5920-00-642-7538 |
| Primary Part Number | 344025 |
| Item Name | Fuseholder,extractor Post |
| FSC / FSG | 5920 / 59 — Fuses, Arrestors, Absorbers, and Protectors |
| Manufacturer | Littelfuse, Inc. |
| Status | ACTIVE |
| Accommodated Fuse Length | 1.250 INCHES NOMINAL IN |
| Overall Diameter | 0.938 INCHES NOMINAL IN |
| Bushing Diameter | 0.625 INCHES NOMINAL IN |
| Accommodated Ferrule Diameter | 0.250 INCHES NOMINAL IN |
| Fuse Terminal Type Accommodated | FERRULE |
| Surface Treatment | NICKEL CONTACT |
| Environmental Protection | FUNGUS PROOF |
| Material | COPPER ALLOY CONTACT |
| Terminal Type and Quantity | 2 TAB, SOLDER LUG |
| Fuse Accommodation Quantity | 1 |
| Bushing Thread Length | 0.500 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 |
|---|---|
| 344025 PRIMARY | Littelfuse, Inc. (USA) |
NSN 5920-00-642-7538 is a Fuseholder,extractor Post, manufactured by Littelfuse, Inc., classified under FSC 5920, Fuses, Arrestors, Absorbers, and Protectors. Status: active.
NSN 5920-00-642-7538 has 1 manufacturer part number on file: 344025 (Littelfuse, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5935-01-556-2710. Verify interchangeability with system specifications before substitution.
Key specifications for 344025: Accommodated Fuse Length: 1.250 INCHES NOMINAL IN; Overall Diameter: 0.938 INCHES NOMINAL IN; Overall Length: 2.344 INCHES NOMINAL IN; Bushing Diameter: 0.625 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.