The Fuseholder,block, cataloged under National Stock Number 5920-01-357-5785, 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 17 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5920-01-357-5785 |
| Primary Part Number | RF200A1B |
| Item Name | Fuseholder,block |
| FSC / FSG | 5920 / 59 — Fuses, Arrestors, Absorbers, and Protectors |
| Manufacturer | Regal Beloit America, Inc |
| Status | ACTIVE |
| Accommodated Fuse Length | 7.125 INCHES NOMINAL IN |
| Mounting Hole Quantity | 4 |
| Body Style | CLIP CONNECTED TYPE |
| Internal Circuit Configuration and Pole Quantity | 1 POLE, MAINLINE, FUSED |
| Mounting Hole Style | 2 ROWS IN-LINE |
| Center to Center Distance Between Outside Mounting Holes Along Length | 3.000 INCHES NOMINAL IN |
| Voltage in Volts | 250.0 |
| Mounting Hole Diameter | 0.344 INCHES NOMINAL IN |
| Accommodated Fuse Width | 1.500 INCHES NOMINAL IN |
| Fuse Terminal Type Accommodated | BLADE W/MOUNTING HOLE |
| Surface Treatment | TIN CONTACT |
| Current Carrying Rating in Amps | 200.0 |
| Center to Center Distance Between Outside Mounting Holes Along Width | 2.000 INCHES NOMINAL IN |
| Base Thickness | 0.750 INCHES NOMINAL IN |
| Material | ALUMINUM CONTACT |
| Terminal Type and Quantity | 2 COMPRESSION |
| 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 |
|---|---|
| RF200A1B PRIMARY | Regal Beloit America, Inc (USA) |
| R25200-1CR | Cooper Bussmann, Llc Dba Cooper Industries (USA) |
| 395-5331916 ITEM 9 | Naval Sea Systems Command (USA) |
NSN 5920-01-357-5785 is a Fuseholder,block, manufactured by Regal Beloit America, Inc, classified under FSC 5920, Fuses, Arrestors, Absorbers, and Protectors. Status: active.
NSN 5920-01-357-5785 has 3 manufacturer part numbers on file: RF200A1B (Regal Beloit America, Inc), R25200-1CR (Cooper Bussmann, Llc Dba Cooper Industries), 395-5331916 ITEM 9 (Naval Sea Systems Command).
Key specifications for RF200A1B: Accommodated Fuse Length: 7.125 INCHES NOMINAL IN; Mounting Hole Quantity: 4; Overall Height: 3.094 INCHES NOMINAL IN; Body Style: CLIP CONNECTED TYPE. 17 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.