The Fuse,cartridge, cataloged under National Stock Number 5920-01-182-4739, 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 Federal Commercial Item Description Promulgated by General Services Administration Washington DC. Government technical data includes 15 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5920-01-182-4739 |
| Primary Part Number | AA55495-010 |
| Item Name | Fuse,cartridge |
| FSC / FSG | 5920 / 59 — Fuses, Arrestors, Absorbers, and Protectors |
| Manufacturer | Federal Commercial Item Description Promulgated by General Services Administration Washington DC |
| Status | ACTIVE |
| Continuous Current Rating in Amps | 50.000 |
| Body Style | HOLE TYPE |
| Overall Diameter | 0.812 INCHES NOMINAL IN |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 2.375 INCHES NOMINAL IN |
| Precious Material | SILVER |
| Terminal Thickness | 0.125 INCHES NOMINAL IN |
| Interruption Indicator Method | OPAQUE BODY |
| Features Provided | NONRENEWABLE FUSIBLE ELEMENT |
| Surface Treatment | SILVER TERMINAL |
| Precious Material and Location | TERMINAL SURFACES SILVER |
| Maximum Voltage Rating in Volts | 50.0 AC AND 50.0 DC |
| Material | CERAMIC CASE |
| Material | COPPER TERMINAL |
| Circuit Over-Current Interruption Type | NORMAL INSTANTANEOUS |
| Mounting Slot Width | 0.344 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 |
|---|---|
| AA55495-010 | Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA) |
| Reference | Meaning |
|---|---|
| L50S50 | 5/1 Secondary reference Littelfuse, Inc. |
| FWH 50A | 5/1 Secondary reference Cooper Bussmann, Llc Dba Cooper Industries |
| M44-1919 | 5/1 Secondary reference Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc |
| A-A-55495 | 4/1 Identification reference Federal Commercial Item Description Promulgated by General Services Administration Washington DC |
| 44-1919 | 5/1 Secondary reference Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc |
| UFR50P050 | 5/1 Secondary reference Denco Fuses, Inc. |
| A50P50-4 | 5/1 Secondary reference Mersen Usa Ep Corp. Dba Ferraz Shawmut |
NSN 5920-01-182-4739 is a Fuse,cartridge, manufactured by Federal Commercial Item Description Promulgated by General Services Administration Washington DC, classified under FSC 5920, Fuses, Arrestors, Absorbers, and Protectors. Status: active.
NSN 5920-01-182-4739 has 1 manufacturer part number on file: AA55495-010 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC).
Key specifications for AA55495-010: Continuous Current Rating in Amps: 50.000; Body Style: HOLE TYPE; Overall Diameter: 0.812 INCHES NOMINAL IN; Center to Center Distance Between Mounting Facilities Parallel to Length: 2.375 INCHES NOMINAL IN. 15 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.