The Fuse,cartridge, cataloged under National Stock Number 5920-01-340-9872, 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 Chromalox, Inc. Div Chromalox. Government technical data includes 12 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5920-01-340-9872 |
| Primary Part Number | 0024-01011 |
| Item Name | Fuse,cartridge |
| FSC / FSG | 5920 / 59 — Fuses, Arrestors, Absorbers, and Protectors |
| Manufacturer | Chromalox, Inc. Div Chromalox |
| Status | ACTIVE |
| Continuous Current Rating in Amps | 2.250 |
| Fragility Factor | MODERATELY RUGGED |
| Body Style | TUBE TYPE |
| Circuit Over-Current Interruption Delay Time in Seconds | 12.0 200 PCT OF CURRENT RATING |
| Overall Diameter | 0.406 INCHES NOMINAL IN |
| Interruption Indicator Method | OPAQUE BODY |
| Features Provided | NONRENEWABLE FUSIBLE ELEMENT |
| Surface Treatment | NICKEL TERMINAL |
| Maximum Voltage Rating in Volts | 500.0 AC |
| Material | CERAMIC CASE |
| Material | COPPER ALLOY TERMINAL |
| Circuit Over-Current Interruption Type | TIME DELAY |
| 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 |
|---|---|
| 0024-01011 | Chromalox, Inc. Div Chromalox (USA) |
| FNQ-2-1/4 | Cooper Bussmann, Llc Dba Cooper Industries (USA) |
| FLQ-2-1/4 | Littelfuse, Inc. (USA) |
| Reference | Meaning |
|---|---|
| BUSSMAN/FNQ-2-1/4 | C/1 Advisory reference — outside the item-of-supply concept Cooper Bussmann, Llc Dba Cooper Industries |
| D-43044 ITEM 15 | 3/9 Design control — primary reference Chromalox, Inc. Div Chromalox |
| MEQ-2-1/4 | 5/9 Secondary reference Federal Pacific Electric Co Economy Fuse Div |
NSN 5920-01-340-9872 is a Fuse,cartridge, manufactured by Chromalox, Inc. Div Chromalox, classified under FSC 5920, Fuses, Arrestors, Absorbers, and Protectors. Status: active.
NSN 5920-01-340-9872 has 3 manufacturer part numbers on file: 0024-01011 (Chromalox, Inc. Div Chromalox), FNQ-2-1/4 (Cooper Bussmann, Llc Dba Cooper Industries), FLQ-2-1/4 (Littelfuse, Inc.).
Key specifications for 0024-01011: Continuous Current Rating in Amps: 2.250; Fragility Factor: MODERATELY RUGGED; Body Style: TUBE TYPE; Circuit Over-Current Interruption Delay Time in Seconds: 12.0 200 PCT OF CURRENT RATING. 12 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.