The Fuseholder,block, cataloged under National Stock Number 5920-00-142-7450, 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 10 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5920-00-142-7450 |
| Primary Part Number | 522011 |
| Item Name | Fuseholder,block |
| FSC / FSG | 5920 / 59 — Fuses, Arrestors, Absorbers, and Protectors |
| Manufacturer | Littelfuse, Inc. |
| Status | ACTIVE |
| Accommodated Fuse Length | 1.500 INCHES NOMINAL IN |
| Mounting Hole Quantity | 2 |
| Internal Circuit Configuration and Pole Quantity | 1 POLE, MAINLINE, FUSED |
| Coating Method | PLATED CONTACT |
| Accommodated Ferrule Diameter | 0.406 INCHES NOMINAL IN |
| Fuse Terminal Type Accommodated | FERRULE |
| Surface Treatment | NICKEL CONTACT |
| Material | COPPER ALLOY CONTACT |
| Terminal Type and Quantity | 2 FERRULE W/SCREW |
| Fuse Accommodation Quantity | 1 |
| 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 |
|---|---|
| 522011 PRIMARY | Littelfuse, Inc. (USA) |
NSN 5920-00-142-7450 is a Fuseholder,block, manufactured by Littelfuse, Inc., classified under FSC 5920, Fuses, Arrestors, Absorbers, and Protectors. Status: active.
NSN 5920-00-142-7450 has 1 manufacturer part number on file: 522011 (Littelfuse, Inc.).
Key specifications for 522011: Accommodated Fuse Length: 1.500 INCHES NOMINAL IN; Mounting Hole Quantity: 2; Overall Height: 1.062 INCHES NOMINAL IN; Internal Circuit Configuration and Pole Quantity: 1 POLE, MAINLINE, FUSED. 10 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.