The Fuse,cartridge, cataloged under National Stock Number 5920-00-174-1121, is classified within Federal Supply Class 5920 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Cooper Bussmann, Llc Dba Cooper Industries. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5920-00-174-1121 |
| Primary Part Number | FWH-20 |
| Item Name | Fuse,cartridge |
| FSC / FSG | 5920 / 59 — No Item Name Available |
| Manufacturer | Cooper Bussmann, Llc Dba Cooper Industries |
| Status | ACTIVE |
| Continuous Current Rating in Amps | 30.000 |
| Cubic Measure | 0.495 CUBIC INCHES |
| Circuit Over-Current Interruption Type | NORMAL INSTANTANEOUS |
| Maximum Voltage Rating in Volts | 500.0 AC AND 500.0 DC |
| Features Provided | NONRENEWABLE FUSIBLE ELEMENT |
| Fragility Factor | MODERATELY DELICATE |
| Overall Diameter | 0.562 INCHES NOMINAL IN |
| Interruption Indicator Method | OPAQUE BODY |
| Material | FIBER CASE |
| Surface Treatment | NICKEL TERMINAL |
| Body Style | TUBE TYPE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| FWH-20 | Cooper Bussmann, Llc Dba Cooper Industries (USA) |
| AA55495-004 | Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA) |
| A-A-55495 | Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA) |
| 422C591H20 | Westinghouse Electric Corp Control Business Unit |
| A50P20-1 | Mersen Usa Ep Corp. Dba Ferraz Shawmut (USA) |
| UFR50P020 | Denco Fuses, Inc. (USA) |
NSN 5920-00-174-1121 is a Fuse,cartridge, manufactured by Cooper Bussmann, Llc Dba Cooper Industries, classified under FSC 5920 (No Item Name Available). Status: active.
NSN 5920-00-174-1121 has 6 cross-referenced part numbers: FWH-20 (Cooper Bussmann, Llc Dba Cooper Industries), AA55495-004 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), A-A-55495 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), 422C591H20 (Westinghouse Electric Corp Control Business Unit), A50P20-1 (Mersen Usa Ep Corp. Dba Ferraz Shawmut) and 1 more.
There are 12 known substitutes for 5920-00-174-1121: 5920-00-038-6892, 5920-00-162-1041, 5920-00-237-0995 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for FWH-20: Continuous Current Rating in Amps: 30.000; Cubic Measure: 0.495 CUBIC INCHES; Circuit Over-Current Interruption Type: NORMAL INSTANTANEOUS; Maximum Voltage Rating in Volts: 500.0 AC AND 500.0 DC. 12 total characteristics are documented in the Federal Logistics Information System.