The Fuseholder,extractor Post, cataloged under National Stock Number 5920-00-481-8945, 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 27 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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 | 5920-00-481-8945 |
| Primary Part Number | 343125 |
| Item Name | Fuseholder,extractor Post |
| FSC / FSG | 5920 / 59 — Fuses, Arrestors, Absorbers, and Protectors |
| Manufacturer | Littelfuse, Inc. |
| Status | ACTIVE |
| Resistor Rating | 27.0 KILOHMS |
| Accommodated Fuse Length | 1.250 INCHES NOMINAL IN |
| Mounting Hole Quantity | 1 |
| Flatted Side Bushing Hole Length | 0.567 INCHES MINIMUM AND 0.575 INCHES MAXIMUM IN |
| Body Style | BUSHING MOUNTED TYPE |
| Lens Color | CLEAR |
| Mounting Hole Style | BUSHING MOUNTING |
| Overall Diameter | 0.940 INCHES NOMINAL IN |
| Length From Front Protrusion to Mounting Surface | 0.812 INCHES NOMINAL IN |
| Voltage in Volts | 125.0 |
| Material Document and Classification | MIL-M-14, TYPE CFG MIL SPEC SINGLE MATERIAL RESPONSE BODY |
| 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 | 0.938 INCHES NOMINAL IN |
| Bushing Hole Diameter | 0.627 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN |
| Surface Treatment | NICKEL CONTACT |
| Surface Treatment | TIN TERMINAL |
| Current Carrying Rating in Amps | 20.0 |
| Material | COPPER ALLOY CONTACT |
| Material | PLASTIC PHENOLIC AND CELLULOSE BODY |
| 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 125.0 |
| 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 |
NSN 5920-00-481-8945 is a Fuseholder,extractor Post, manufactured by Littelfuse, Inc., classified under FSC 5920, Fuses, Arrestors, Absorbers, and Protectors. Status: active.
NSN 5920-00-481-8945 has 2 manufacturer part numbers on file: 4310014 (Ibak Helmut Hunger Gmbh & Co. Kg), 343125 (Littelfuse, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5895-01-370-3790. Verify interchangeability with system specifications before substitution.
Key specifications for 343125: Resistor Rating: 27.0 KILOHMS; Accommodated Fuse Length: 1.250 INCHES NOMINAL IN; Mounting Hole Quantity: 1; Flatted Side Bushing Hole Length: 0.567 INCHES MINIMUM AND 0.575 INCHES MAXIMUM IN. 27 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.