The Fuse,cartridge, cataloged under National Stock Number 5920-01-191-5303, 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 13 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5920-01-191-5303 |
| Primary Part Number | 251005L |
| Item Name | Fuse,cartridge |
| FSC / FSG | 5920 / 59 — Fuses, Arrestors, Absorbers, and Protectors |
| Manufacturer | Littelfuse, Inc. |
| Status | ACTIVE |
| Continuous Current Rating in Amps | 5.0005.000 |
| Fragility Factor | MODERATELY RUGGEDMODERATELY RUGGED |
| Terminal Diameter | 0.025 INCHES NOMINAL0.025 INCHES NOMINAL IN |
| Body Style | PIGTAIL TYPEPIGTAIL TYPE |
| Overall Diameter | 0.095 INCHES NOMINAL0.095 INCHES NOMINAL IN |
| Terminal Length | 1.500 INCHES NOMINAL1.500 INCHES NOMINAL IN |
| Interruption Indicator Method | OPAQUE BODYOPAQUE BODY |
| Features Provided | NONRENEWABLE FUSIBLE ELEMENTNONRENEWABLE FUSIBLE ELEMENT |
| Surface Treatment | NICKEL TERMINAL |
| Maximum Voltage Rating in Volts | 125.0 AC AND 125.0 AC AND 125.0 DC125.0 DC |
| Material | CERAMIC CASE |
| Material | COPPER TERMINAL |
| Circuit Over-Current Interruption Type | NORMAL INSTANTANEOUSNORMAL INSTANTANEOUS |
| 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 |
|---|---|
| 251005L PRIMARY | Littelfuse, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 135-0011-000 | 5/9 Secondary reference Alliedsignal Inc Dba Alliedsignal Aerospace Co General Aviation Avionics |
| A021135007 | 5/9 Secondary reference Agfa Ndt Inc. Div Krautkramer Ultrasonics |
| A021135007 | 5/9 Secondary reference Agfa Ndt Ltd |
| 255005 | 3/9 Design control — primary reference Littelfuse, Inc. |
NSN 5920-01-191-5303 is a Fuse,cartridge, manufactured by Littelfuse, Inc., classified under FSC 5920, Fuses, Arrestors, Absorbers, and Protectors. Status: active.
NSN 5920-01-191-5303 has 1 manufacturer part number on file: 251005L (Littelfuse, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 6515-01-613-1594. Verify interchangeability with system specifications before substitution.
Key specifications for 251005L: Continuous Current Rating in Amps: 5.0005.000; Fragility Factor: MODERATELY RUGGEDMODERATELY RUGGED; Terminal Diameter: 0.025 INCHES NOMINAL0.025 INCHES NOMINAL IN; Body Style: PIGTAIL TYPEPIGTAIL TYPE. 13 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.