The Fuseholder Subassembly, cataloged under National Stock Number 5920-00-276-8657, 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 8 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5920-00-276-8657 |
| Primary Part Number | 270505 |
| Item Name | Fuseholder Subassembly |
| FSC / FSG | 5920 / 59 — Fuses, Arrestors, Absorbers, and Protectors |
| Manufacturer | Littelfuse, Inc. |
| Status | ACTIVE |
| Precious Material | GOLD |
| Voltage in Volts | 125.0 |
| Fuse Terminal Type Accommodated | WIRE LEAD |
| Surface Treatment | GOLD CONTACT |
| Current Carrying Rating in Amps | 3.0 |
| Precious Material and Location | CONTACT SURFACES GOLD |
| Material | PLASTIC DIALLYL PHTHALATE BODY |
| 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 |
|---|---|
| 270505 | Littelfuse, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 304243-1 | C/1 Advisory reference — outside the item-of-supply concept Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple |
| 270505 | 5/9 Secondary reference Del Mar Avionics, Llc |
| DMS 84105B | 5/9 Secondary reference Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) |
| 304243-1 | 3/9 Design control — primary reference Northrop Grumman Systems Corporation Div Es Defensive Systems Division |
| X5374 | 5/9 Secondary reference Littelfuse, Inc. |
NSN 5920-00-276-8657 is a Fuseholder Subassembly, manufactured by Littelfuse, Inc., classified under FSC 5920, Fuses, Arrestors, Absorbers, and Protectors. Status: active.
NSN 5920-00-276-8657 has 1 manufacturer part number on file: 270505 (Littelfuse, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5342-00-546-7146. Verify interchangeability with system specifications before substitution.
Key specifications for 270505: Precious Material: GOLD; Voltage in Volts: 125.0; Overall Length: 0.625 INCHES NOMINAL IN; Fuse Terminal Type Accommodated: WIRE LEAD. 8 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.