The Fuse,cartridge, cataloged under National Stock Number 5920-01-643-7338, 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 Mersen Usa Ep Corp. Dba Ferraz Shawmut. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5920-01-643-7338 |
| Primary Part Number | AJT40 |
| Item Name | Fuse,cartridge |
| FSC / FSG | 5920 / 59 — Fuses, Arrestors, Absorbers, and Protectors |
| Manufacturer | Mersen Usa Ep Corp. Dba Ferraz Shawmut |
| Status | ACTIVE |
| Continuous Current Rating in Amps | 40.0 |
| Overall Diameter | 1.0625 INCHES NOMINAL IN |
| 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 |
|---|---|
| AJT40 PRIMARY | Mersen Usa Ep Corp. Dba Ferraz Shawmut (USA) |
| Reference | Meaning |
|---|---|
| 097680 | 5/9 Secondary reference Despatch Industries Limited Partnership Dba Despatch Industries |
NSN 5920-01-643-7338 is a Fuse,cartridge, manufactured by Mersen Usa Ep Corp. Dba Ferraz Shawmut, classified under FSC 5920, Fuses, Arrestors, Absorbers, and Protectors. Status: active.
NSN 5920-01-643-7338 has 1 manufacturer part number on file: AJT40 (Mersen Usa Ep Corp. Dba Ferraz Shawmut).
Key specifications for AJT40: Continuous Current Rating in Amps: 40.0; Overall Diameter: 1.0625 INCHES NOMINAL IN; Overall Length: 2.3570 INCHES NOMINAL IN; Special Features: INDICATING/NONINDICATING: INDICATING; VOLTAGE RATING; 600VAC/500VDC: SPEED: TIME DELAY; CLASS J; ELEMENT: DUAL; BODY MATERIAL: MELAMINE; REJECTION/NONREJECTION: NONREJECTION: INTERRUPT RATING: 200KA AT 600VAC, 100KA AT 500VDC: STANDARDS: UL/CSA VDC. 2 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.