The Fuseholder,block, cataloged under National Stock Number 5920-01-509-1041, 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 Regal Beloit America, 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 | 5920-01-509-1041 |
| Primary Part Number | 6R100A3B |
| Item Name | Fuseholder,block |
| FSC / FSG | 5920 / 59 — Fuses, Arrestors, Absorbers, and Protectors |
| Manufacturer | Regal Beloit America, Inc |
| Status | ACTIVE |
| Accommodated Fuse Length | 7.875 INCHES NOMINAL IN |
| Body Style | SIGNAL BLOCK |
| Voltage in Volts | 600.0 |
| Accommodated Ferrule Diameter | 1.750 INCHES NOMINAL IN |
| Fuse Terminal Type Accommodated | FERRULE |
| Surface Treatment | TIN CONTACT |
| Current Carrying Rating in Amps | 100.0 |
| Material | ALUMINUM CONTACT |
| Terminal Type and Quantity | 6 SCREW |
| Fuse Accommodation Quantity | 3 |
| 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 |
|---|---|
| 6R100A3B PRIMARY | Regal Beloit America, Inc (USA) |
NSN 5920-01-509-1041 is a Fuseholder,block, manufactured by Regal Beloit America, Inc, classified under FSC 5920, Fuses, Arrestors, Absorbers, and Protectors. Status: active.
NSN 5920-01-509-1041 has 1 manufacturer part number on file: 6R100A3B (Regal Beloit America, Inc).
Key specifications for 6R100A3B: Accommodated Fuse Length: 7.875 INCHES NOMINAL IN; Body Style: SIGNAL BLOCK; Voltage in Volts: 600.0; Accommodated Ferrule Diameter: 1.750 INCHES NOMINAL IN. 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.