The Fuseholder,block, cataloged under National Stock Number 5920-01-178-9581, 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 Raytheon Company Dba Raytheon Co. Government technical data includes 17 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5920-01-178-9581 |
| Primary Part Number | 868964-1 |
| Item Name | Fuseholder,block |
| FSC / FSG | 5920 / 59 — Fuses, Arrestors, Absorbers, and Protectors |
| Manufacturer | Raytheon Company Dba Raytheon Co |
| Status | ACTIVE |
| Accommodated Fuse Length | 1.400 INCHES NOMINAL IN |
| Mounting Hole Height | 1.040 INCHES NOMINAL IN |
| Mounting Hole Quantity | 4 |
| Body Style | CLIP CONNECTED TYPE |
| Internal Circuit Configuration and Pole Quantity | 2 POLE, MAINLINE, FUSED |
| Mounting Hole Style | PANEL MOUNTING |
| Voltage in Volts | 250.0 |
| Mounting Hole Diameter | 0.137 INCHES NOMINAL AND 0.126 INCHES NOMINAL IN |
| Mounting Hole Width | 0.300 INCHES NOMINAL IN |
| Accommodated Ferrule Diameter | 0.250 INCHES NOMINAL IN |
| Fuse Terminal Type Accommodated | FERRULE |
| Surface Treatment | COPPER ALLOY CONTACT |
| Current Carrying Rating in Amps | 30.0 |
| Base Thickness | 0.125 INCHES NOMINAL IN |
| Material | COPPER ALLOY CONTACT |
| Terminal Type and Quantity | 4 TAB, SOLDER LUG |
| 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 |
NSN 5920-01-178-9581 is a Fuseholder,block, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 5920, Fuses, Arrestors, Absorbers, and Protectors. Status: active.
NSN 5920-01-178-9581 has 2 manufacturer part numbers on file: 868964-1 (Raytheon Company Dba Raytheon Co), 868964-1 (Raytheon Company).
Key specifications for 868964-1: Accommodated Fuse Length: 1.400 INCHES NOMINAL IN; Mounting Hole Height: 1.040 INCHES NOMINAL IN; Mounting Hole Quantity: 4; Overall Height: 0.650 INCHES NOMINAL IN. 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.