The Fuse,cartridge, cataloged under National Stock Number 5920-00-397-2212, 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 9 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5920-00-397-2212 |
| Primary Part Number | 3AG1-2A125V |
| Item Name | Fuse,cartridge |
| FSC / FSG | 5920 / 59 — Fuses, Arrestors, Absorbers, and Protectors |
| Manufacturer | Littelfuse, Inc. |
| Status | ACTIVE |
| Continuous Current Rating in Amps | 0.500 |
| Body Style | TUBE TYPE |
| Circuit Over-Current Interruption Delay Time in Seconds | 6.0 200 PCT OF CURRENT RATING |
| Overall Diameter | 0.250 INCHES NOMINAL IN |
| Interruption Indicator Method | VISIBLE ELEMENT |
| Features Provided | NONRENEWABLE FUSIBLE ELEMENT |
| Surface Treatment | SILVER TERMINAL |
| Maximum Voltage Rating in Volts | 125.0 AC AND 125.0 DC |
| Circuit Over-Current Interruption Type | TIME DELAY |
| 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 |
|---|---|
| 3AG1-2A125V PRIMARY | Littelfuse, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 50165-2 | 5/9 Secondary reference Victor Technologies Inc |
| 1734-7658 | C/1 Advisory reference — outside the item-of-supply concept Victor Technologies Inc |
| 4-7658 | C/1 Advisory reference — outside the item-of-supply concept Victor Technologies Inc |
NSN 5920-00-397-2212 is a Fuse,cartridge, manufactured by Littelfuse, Inc., classified under FSC 5920, Fuses, Arrestors, Absorbers, and Protectors. Status: active.
NSN 5920-00-397-2212 has 1 manufacturer part number on file: 3AG1-2A125V (Littelfuse, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 6625-00-906-6731. Verify interchangeability with system specifications before substitution.
Key specifications for 3AG1-2A125V: Continuous Current Rating in Amps: 0.500; Body Style: TUBE TYPE; Circuit Over-Current Interruption Delay Time in Seconds: 6.0 200 PCT OF CURRENT RATING; Overall Diameter: 0.250 INCHES NOMINAL IN. 9 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.