The Fuse,indicator Alarm, cataloged under National Stock Number 5920-01-630-7580, 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 Cooper Bussmann, Llc Dba Cooper Industries. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5920-01-630-7580 |
| Primary Part Number | GMT-3A |
| Item Name | Fuse,indicator Alarm |
| FSC / FSG | 5920 / 59 — Fuses, Arrestors, Absorbers, and Protectors |
| Manufacturer | Cooper Bussmann, Llc Dba Cooper Industries |
| Status | ACTIVE |
| Body Style | MINIATURE GRASSHOPPER |
| Interruption Indicator Method | BODY-VISUAL OR ALARM |
| Maximum Voltage Rating in Volts | 60.0 DC |
| Material | BERYLLIUM COPPER (USE CUB000) TERMINAL |
| 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 |
|---|---|
| GMT-3A PRIMARY | Cooper Bussmann, Llc Dba Cooper Industries (USA) |
| Reference | Meaning |
|---|---|
| GMT-T-3A | 5/9 Secondary reference Cooper Bussmann, Llc Dba Cooper Industries |
NSN 5920-01-630-7580 is a Fuse,indicator Alarm, manufactured by Cooper Bussmann, Llc Dba Cooper Industries, classified under FSC 5920, Fuses, Arrestors, Absorbers, and Protectors. Status: active.
NSN 5920-01-630-7580 has 1 manufacturer part number on file: GMT-3A (Cooper Bussmann, Llc Dba Cooper Industries).
Key specifications for GMT-3A: Overall Height: 0.688 INCHES NOMINAL IN; Body Style: MINIATURE GRASSHOPPER; Overall Length: 0.81 INCHES NOMINAL IN; Overall Width: 0.107 INCHES MINIMUM AND 0.127 INCHES MAXIMUM IN. 4 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.