The Fuseholder,receptacle, cataloged under National Stock Number 5920-01-274-3249, 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 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 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 | 5920-01-274-3249 |
| Primary Part Number | 280040 |
| Item Name | Fuseholder,receptacle |
| FSC / FSG | 5920 / 59 — Fuses, Arrestors, Absorbers, and Protectors |
| Manufacturer | Littelfuse, Inc. |
| Status | ACTIVE |
| Fuse Accommodation Quantity | 1 |
| 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 |
|---|---|
| 280040 PRIMARY | Littelfuse, Inc. (USA) |
| 166581-0001 | Bae Systems Information & Electronic Systems Integration Inc. (USA) |
NSN 5920-01-274-3249 is a Fuseholder,receptacle, manufactured by Littelfuse, Inc., classified under FSC 5920, Fuses, Arrestors, Absorbers, and Protectors. Status: active.
NSN 5920-01-274-3249 has 2 manufacturer part numbers on file: 280040 (Littelfuse, Inc.), 166581-0001 (Bae Systems Information & Electronic Systems Integration Inc.).
1 possible match (shared part number, not a government interchangeability claim): 4220-01-311-2026. Verify interchangeability with system specifications before substitution.
Key specifications for 280040: Fuse Accommodation Quantity: 1. 1 specification is 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.