The Fuse,cartridge, cataloged under National Stock Number 5920-00-066-0221, 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 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5920-00-066-0221 |
| Primary Part Number | KTK4 |
| Item Name | Fuse,cartridge |
| FSC / FSG | 5920 / 59 — No Item Name Available |
| Manufacturer | Cooper Bussmann, Llc Dba Cooper Industries |
| Status | ACTIVE |
| Overall Diameter | 0.406 INCHES NOMINAL IN |
| Maximum Voltage Rating in Volts | 600.0 AC |
| Circuit Over-Current Interruption Type | NORMAL INSTANTANEOUS |
| Continuous Current Rating in Amps | 4.000 |
| Features Provided | NONRENEWABLE FUSIBLE ELEMENT |
| Interruption Indicator Method | OPAQUE BODY |
| Material | PLASTIC MELAMINE BODY |
| Surface Treatment | NICKEL TERMINAL |
| Body Style | TUBE TYPE |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 25419 | Black and Decker /us/ Inc Dewalt Div (USA) |
| E3362-2 | Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc (USA) |
| KTK4 PRIMARY | Cooper Bussmann, Llc Dba Cooper Industries (USA) |
| KTK 4 | Klockner-Moeller Corp (USA) |
NSN 5920-00-066-0221 is a Fuse,cartridge, manufactured by Cooper Bussmann, Llc Dba Cooper Industries, classified under FSC 5920 (No Item Name Available). Status: active.
NSN 5920-00-066-0221 has 4 cross-referenced part numbers: 25419 (Black and Decker /us/ Inc Dewalt Div), E3362-2 (Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc), KTK4 (Cooper Bussmann, Llc Dba Cooper Industries), KTK 4 (Klockner-Moeller Corp).
There are 8 known substitutes for 5920-00-066-0221: 2810-00-118-9440, 4210-00-640-1841, 5365-00-997-0203 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for KTK4: Overall Diameter: 0.406 INCHES NOMINAL IN; Maximum Voltage Rating in Volts: 600.0 AC; Circuit Over-Current Interruption Type: NORMAL INSTANTANEOUS; Continuous Current Rating in Amps: 4.000. 10 total characteristics are documented in the Federal Logistics Information System.