The Fuseholder,extractor Post, cataloged under National Stock Number 5920-00-918-7491, 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 23 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 | 5920-00-918-7491 |
| Primary Part Number | 340125 |
| 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 |
| Mounting Hole Quantity | 1 |
| Flatted Side Bushing Hole Length | 0.468 INCHES MINIMUM AND 0.478 INCHES MAXIMUM IN |
| Body Style | SHIELDED-BUSHING MOUNTED TYPE |
| Mounting Hole Style | BUSHING MOUNTING |
| Overall Diameter | 0.812 INCHES NOMINAL IN |
| Length From Front Protrusion to Mounting Surface | 1.000 INCHES NOMINAL IN |
| Voltage in Volts | 250.0 |
| Body Length | 2.500 INCHES MAXIMUM IN |
| Bushing Diameter | 0.500 INCHES NOMINAL IN |
| Accommodated Ferrule Diameter | 0.250 INCHES NOMINAL IN |
| Fuse Terminal Type Accommodated | FERRULE |
| Cap Diameter | 0.687 INCHES NOMINAL IN |
| Bushing Hole Diameter | 0.500 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN |
| Surface Treatment | COPPER ALLOY CONTACT |
| Environmental Protection | DRIPPROOF AND VIBRATION PROOF |
| Current Carrying Rating in Amps | 15.0 |
| Material | COPPER ALLOY BODY |
| Material | COPPER CONTACT |
| Material | COPPER ALLOY TERMINAL |
| 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 |
|---|---|
| 340125 PRIMARY | Littelfuse, Inc. (USA) |
NSN 5920-00-918-7491 is a Fuseholder,extractor Post, manufactured by Littelfuse, Inc., classified under FSC 5920, Fuses, Arrestors, Absorbers, and Protectors. Status: active.
NSN 5920-00-918-7491 has 1 manufacturer part number on file: 340125 (Littelfuse, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5962-01-212-1517. Verify interchangeability with system specifications before substitution.
Key specifications for 340125: Accommodated Fuse Length: 1.250 INCHES NOMINAL IN; Mounting Hole Quantity: 1; Flatted Side Bushing Hole Length: 0.468 INCHES MINIMUM AND 0.478 INCHES MAXIMUM IN; Body Style: SHIELDED-BUSHING MOUNTED TYPE. 23 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.