The Fuse,cartridge, cataloged under National Stock Number 5920-00-686-9219, 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 Lockheed Martin Corporation Div Rms - Mitchel Field. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5920-00-686-9219 |
| Primary Part Number | 740512-6 |
| Item Name | Fuse,cartridge |
| FSC / FSG | 5920 / 59 — Fuses, Arrestors, Absorbers, and Protectors |
| Manufacturer | Lockheed Martin Corporation Div Rms - Mitchel Field |
| Status | ACTIVE |
| Continuous Current Rating in Amps | 3.000 |
| Body Style | TUBE TYPE |
| Overall Diameter | 0.309 INCHES MINIMUM AND 0.319 INCHES MAXIMUM IN |
| Interruption Indicator Method | VISIBLE ELEMENT |
| Features Provided | NONRENEWABLE FUSIBLE ELEMENT |
| Surface Treatment | SILVER TERMINAL |
| Maximum Voltage Rating in Volts | 250.0 AC AND 250.0 DC |
| Material | COPPER TERMINAL |
| Material | GLASS CASE |
| 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 |
|---|---|
| 740512-6 PRIMARY | Lockheed Martin Corporation Div Rms - Mitchel Field (USA) |
| 4A0300 | Micro Devices Corp Sub of Emerson Electric Co (USA) |
| FGL03 | Souriau Usa, Inc. Dba Souriau Usa Inc (USA) |
| Reference | Meaning |
|---|---|
| 4A300 | 5/1 Secondary reference Micro Devices Corp Sub of Emerson Electric Co |
NSN 5920-00-686-9219 is a Fuse,cartridge, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 5920, Fuses, Arrestors, Absorbers, and Protectors. Status: active.
NSN 5920-00-686-9219 has 3 manufacturer part numbers on file: 740512-6 (Lockheed Martin Corporation Div Rms - Mitchel Field), 4A0300 (Micro Devices Corp Sub of Emerson Electric Co), FGL03 (Souriau Usa, Inc. Dba Souriau Usa Inc).
Key specifications for 740512-6: Continuous Current Rating in Amps: 3.000; Body Style: TUBE TYPE; Overall Diameter: 0.309 INCHES MINIMUM AND 0.319 INCHES MAXIMUM IN; Overall Length: 1.193 INCHES MINIMUM AND 1.255 INCHES MAXIMUM IN. 10 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.