The Fuseholder,block, cataloged under National Stock Number 5920-01-522-0649, 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 Cooper Bussmann, Llc Dba Cooper Industries. Government technical data includes 13 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5920-01-522-0649 |
| Primary Part Number | R25100-1CR |
| Item Name | Fuseholder,block |
| FSC / FSG | 5920 / 59 — Fuses, Arrestors, Absorbers, and Protectors |
| Manufacturer | Cooper Bussmann, Llc Dba Cooper Industries |
| Status | ACTIVE |
| Mounting Hole Quantity | 3 |
| Body Style | CLIP CONNECTED TYPE |
| Internal Circuit Configuration and Pole Quantity | 2 POLE, MAINLINE, FUSED |
| Mounting Hole Style | IRREGULARLY SPACED |
| Center to Center Distance Between Outside Mounting Holes Along Length | 3.125 INCHES NOMINAL IN |
| Voltage in Volts | 250.0 |
| Mounting Hole Diameter | 0.280 INCHES NOMINAL IN |
| Fuse Terminal Type Accommodated | FERRULE |
| Unable to Decode | UNABLE TO DECODE |
| Current Carrying Rating in Amps | 100.0 |
| Base Thickness | 0.250 INCHES NOMINAL IN |
| Terminal Type and Quantity | 2 FERRULE |
| 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 |
|---|---|
| 836-01B-PL REF DES X4 | Pivotal Power Inc Dba Drs Pivotal Power (CAN) |
| R25100-1CR PRIMARY | Cooper Bussmann, Llc Dba Cooper Industries (USA) |
NSN 5920-01-522-0649 is a Fuseholder,block, manufactured by Cooper Bussmann, Llc Dba Cooper Industries, classified under FSC 5920, Fuses, Arrestors, Absorbers, and Protectors. Status: active.
NSN 5920-01-522-0649 has 2 manufacturer part numbers on file: 836-01B-PL REF DES X4 (Pivotal Power Inc Dba Drs Pivotal Power), R25100-1CR (Cooper Bussmann, Llc Dba Cooper Industries).
Key specifications for R25100-1CR: Mounting Hole Quantity: 3; Overall Height: 2.060 INCHES NOMINAL IN; Body Style: CLIP CONNECTED TYPE; Internal Circuit Configuration and Pole Quantity: 2 POLE, MAINLINE, FUSED. 13 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.