The Fuse,cartridge, cataloged under National Stock Number 5920-01-537-9197, 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 Powers Holdings Inc Dba Fire Brick Engineers Co Div Curtis Industries. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5920-01-537-9197 |
| Primary Part Number | EFT-500MA |
| Item Name | Fuse,cartridge |
| FSC / FSG | 5920 / 59 — Fuses, Arrestors, Absorbers, and Protectors |
| Manufacturer | Powers Holdings Inc Dba Fire Brick Engineers Co Div Curtis Industries |
| Status | ACTIVE |
| Continuous Current Rating in Amps | 0.500 |
| Body Style | BREAKER PROTECTOR TYPE |
| Overall Diameter | 8.350 INCHES NOMINAL IN |
| Center to Center Distance Between Mounting Facilities Parallel to Diameter | 5.080 INCHES NOMINAL IN |
| Mounting Hole Diameter | 0.600 INCHES NOMINAL IN |
| Interruption Indicator Method | VISIBLE ELEMENT |
| Features Provided | NONRENEWABLE FUSIBLE ELEMENT |
| Maximum Voltage Rating in Volts | 250.0 AC |
| Circuit Over-Current Interruption Type | NORMAL 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 |
|---|---|
| EFT-500MA PRIMARY | Powers Holdings Inc Dba Fire Brick Engineers Co Div Curtis Industries (USA) |
NSN 5920-01-537-9197 is a Fuse,cartridge, manufactured by Powers Holdings Inc Dba Fire Brick Engineers Co Div Curtis Industries, classified under FSC 5920, Fuses, Arrestors, Absorbers, and Protectors. Status: active.
NSN 5920-01-537-9197 has 1 manufacturer part number on file: EFT-500MA (Powers Holdings Inc Dba Fire Brick Engineers Co Div Curtis Industries).
Key specifications for EFT-500MA: Continuous Current Rating in Amps: 0.500; Body Style: BREAKER PROTECTOR TYPE; Overall Diameter: 8.350 INCHES NOMINAL IN; Center to Center Distance Between Mounting Facilities Parallel to Diameter: 5.080 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.