The Fuse,cartridge, cataloged under National Stock Number 5920-01-050-6558, 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 8 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5920-01-050-6558 |
| Primary Part Number | FNQ12 |
| Item Name | Fuse,cartridge |
| FSC / FSG | 5920 / 59 — No Item Name Available |
| Manufacturer | Cooper Bussmann, Llc Dba Cooper Industries |
| Status | ACTIVE |
| Surface Treatment | NICKEL TERMINAL |
| Continuous Current Rating in Amps | 12.000 |
| Maximum Voltage Rating in Volts | 500.0 AC |
| Overall Diameter | 0.370 INCHES NOMINAL IN |
| Interruption Indicator Method | OPAQUE BODY |
| Features Provided | NONRENEWABLE FUSIBLE ELEMENT |
| Circuit Over-Current Interruption Type | NORMAL INSTANTANEOUS |
| Body Style | TUBE TYPE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 03-0403 | L-3 Communications Security & Detection Systems Inc Div L-3 Communications (USA) |
| MEQ12 | Federal Pacific Electric Co Economy Fuse Div (USA) |
| 17-0124 | L-3 Communications Security & Detection Systems Inc Div L-3 Communications (USA) |
| FNQ12 PRIMARY | Cooper Bussmann, Llc Dba Cooper Industries (USA) |
| ATQ12 | Mersen Usa Ep Corp. Dba Ferraz Shawmut (USA) |
| FLQ12 | Littelfuse, Inc. (USA) |
NSN 5920-01-050-6558 is a Fuse,cartridge, manufactured by Cooper Bussmann, Llc Dba Cooper Industries, classified under FSC 5920 (No Item Name Available). Status: active.
NSN 5920-01-050-6558 has 6 cross-referenced part numbers: 03-0403 (L-3 Communications Security & Detection Systems Inc Div L-3 Communications), MEQ12 (Federal Pacific Electric Co Economy Fuse Div), 17-0124 (L-3 Communications Security & Detection Systems Inc Div L-3 Communications), FNQ12 (Cooper Bussmann, Llc Dba Cooper Industries), ATQ12 (Mersen Usa Ep Corp. Dba Ferraz Shawmut) and 1 more.
There are 9 known substitutes for 5920-01-050-6558: 4820-00-872-4924, 5815-00-908-0650, 5920-01-112-9759 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for FNQ12: Surface Treatment: NICKEL TERMINAL; Continuous Current Rating in Amps: 12.000; Maximum Voltage Rating in Volts: 500.0 AC; Overall Diameter: 0.370 INCHES NOMINAL IN. 9 total characteristics are documented in the Federal Logistics Information System.