The Fuse,electrical, cataloged under National Stock Number 5920-01-121-0740, 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 Sabre Engines Ltd. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5920-01-121-0740 |
| Primary Part Number | 40561 |
| Item Name | Fuse,electrical |
| FSC / FSG | 5920 / 59 — Fuses, Arrestors, Absorbers, and Protectors |
| Manufacturer | Sabre Engines Ltd |
| Status | ACTIVE |
| 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 |
|---|---|
| 40561 PRIMARY | Sabre Engines Ltd (GBR) |
| Reference | Meaning |
|---|---|
| 40561 | 5/9 Secondary reference Classic Restoration and Sales |
| 40561 | 5/9 Secondary reference Grove R B Inc |
| 40561 | C/1 Advisory reference — outside the item-of-supply concept Jasmin Defense Industrial Depot |
NSN 5920-01-121-0740 is a Fuse,electrical, manufactured by Sabre Engines Ltd, classified under FSC 5920, Fuses, Arrestors, Absorbers, and Protectors. Status: active.
NSN 5920-01-121-0740 has 1 manufacturer part number on file: 40561 (Sabre Engines Ltd).
1 possible match (shared part number, not a government interchangeability claim): 4320-01-309-9863. Verify interchangeability with system specifications before substitution.
Key specifications for 40561: End Item Identification: 1940-01-105-5728. 0 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.