The Relay,electromagnetic, cataloged under National Stock Number 5945-00-147-7744, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. Government technical data includes 22 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5945-00-147-7744 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 6 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY |
| Main Contact Maximum Voltage Rating in Volts | 480.0 AC AND 110.0 DC |
| Fragility Factor | MODERATELY RUGGED |
| Mounting Facility Pattern | RECTANGULAR SINGLE MOUNTING FACILITY |
| Arc Quenching Method | AIR |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 0.750 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Main Contact Load Current Rating at Maximum Rated Voltage | 10.0 AMPERES AC AND 500.0 MILLIAMPERES DC RESISTIVE LOAD |
| Duty Type | CONTINUOUS |
| Storage Type | GENERAL PURPOSE WAREHOUSE |
| Unthreaded Mounting Hole Diameter | 0.199 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Frequency in Hertz | 60.0 NOMINAL |
| Time Delay | 3.00 MINUTES MINIMUM AND 30.00 MINUTES MAXIMUM ADJUSTABLE RELEASE TIME |
| Coil Quantity | 1 |
| Environmental Protection | DUSTPROOF |
| Cubic Measure | 45.392 CUBIC INCHES |
| Winding Quantity | 1 |
| Operating Voltage Rating and Type at Specified Temp | 120.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 2.880 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Material | ALUMINUM OR STEEL CASE |
| Terminal Type and Quantity | 8 SCREW ALL FUNCTIONS |
| Nonpile-Up Main Contact Arrangement | 2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY |
| Purpose for Which Designed | GENERAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 7022AHI1 | 3/2 Design control — primary reference U.S. Government activity |
| 7022AH12 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 45920030-05 | 5/9 Secondary reference U.S. Government activity |
NSN 5945-00-147-7744 is a Relay,electromagnetic, classified under FSC 5945, Relays and Solenoids. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5945-01-196-9392. Verify interchangeability with system specifications before substitution.
Key specifications for 5945-00-147-7744: Mounting Facility Type and Quantity: 6 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY; Overall Height: 3.090 INCHES MAXIMUM IN; Main Contact Maximum Voltage Rating in Volts: 480.0 AC AND 110.0 DC; Fragility Factor: MODERATELY RUGGED. 22 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.