The Relay,electromagnetic, cataloged under National Stock Number 5945-00-258-7799, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is General Electric Company. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5945-00-258-7799 |
| Primary Part Number | M740421P2 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | General Electric Company |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 3 THREADED STUD(S) SINGLE MOUNTING FACILITY |
| Main Contact Maximum Voltage Rating in Volts | 115.0 AC |
| Arc Quenching Method | INERT GAS |
| Duty Type | CONTINUOUS |
| Minimum Differential Electrical Operating Rating | 1.3 MILLIAMPERES |
| Features Provided | POLARIZED |
| Coil Quantity | 2 |
| Environmental Protection | HERMETIC |
| Winding Quantity | 2 |
| Nonpile-Up Main Contact Arrangement | 2 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| M740421P2 PRIMARY | General Electric Company (USA) |
| Reference | Meaning |
|---|---|
| 6HXBB-75207 | 5/9 Secondary reference Sigma Instruments Inc |
NSN 5945-00-258-7799 is a Relay,electromagnetic, manufactured by General Electric Company, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-00-258-7799 has 1 manufacturer part number on file: M740421P2 (General Electric Company).
Key specifications for M740421P2: Mounting Facility Type and Quantity: 3 THREADED STUD(S) SINGLE MOUNTING FACILITY; Overall Height: 2.500 INCHES NOMINAL IN; Main Contact Maximum Voltage Rating in Volts: 115.0 AC; Arc Quenching Method: INERT GAS. 10 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). 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.