The Fuse,cartridge, cataloged under National Stock Number 5920-01-507-9442, 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 Littelfuse, Inc.. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5920-01-507-9442 |
| Primary Part Number | 229003 |
| Item Name | Fuse,cartridge |
| FSC / FSG | 5920 / 59 — Fuses, Arrestors, Absorbers, and Protectors |
| Manufacturer | Littelfuse, Inc. |
| Status | ACTIVE |
| Continuous Current Rating in Amps | 3.000 |
| Body Style | TUBE TYPE |
| Circuit Over-Current Interruption Delay Time in Seconds | 20.0 200 PCT OF CURRENT RATING |
| Overall Diameter | 0.177 INCHES NOMINAL IN |
| Interruption Indicator Method | VISIBLE ELEMENT |
| Features Provided | NONRENEWABLE FUSIBLE ELEMENT |
| Surface Treatment | NICKEL TERMINAL |
| Maximum Voltage Rating in Volts | 250.0 AC |
| 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 |
|---|---|
| 229003 PRIMARY | Littelfuse, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 890507 | 5/9 Secondary reference Nai Technologies Inc |
NSN 5920-01-507-9442 is a Fuse,cartridge, manufactured by Littelfuse, Inc., classified under FSC 5920, Fuses, Arrestors, Absorbers, and Protectors. Status: active.
NSN 5920-01-507-9442 has 1 manufacturer part number on file: 229003 (Littelfuse, Inc.).
Key specifications for 229003: Continuous Current Rating in Amps: 3.000; Body Style: TUBE TYPE; Circuit Over-Current Interruption Delay Time in Seconds: 20.0 200 PCT OF CURRENT RATING; Overall Diameter: 0.177 INCHES NOMINAL IN. 9 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.