The Relay,electromagnetic, cataloged under National Stock Number 5945-00-643-7490, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5945-00-643-7490 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 1 THREADED STUD(S) SINGLE MOUNTING FACILITY |
| Main Contact Maximum Voltage Rating in Volts | 115.0 AC |
| Main Contact Load Current Rating at Maximum Rated Voltage | 2.0 AMPERES AC RESISTIVE LOAD |
| Duty Type | CONTINUOUS |
| Frequency in Hertz | 60.0 NOMINAL |
| Winding DC Resistance Rating | 2.5 OHMS NOMINAL SINGLE WINDING |
| Nominal Operating Current Rating and Type | 4.0 AMPERES AC SINGLE WINDING |
| Nominal Thread Size | 0.138 INCHES SINGLE MOUNTING FACILITY IN |
| Coil Quantity | 1 |
| Winding Quantity | 1 |
| Operating Voltage Rating and Type at Specified Temp | 10.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING |
| Thread Class | 2A SINGLE MOUNTING FACILITY A |
| Terminal Type and Quantity | 8 PIN ALL FUNCTIONS |
| Nonpile-Up Main Contact Arrangement | 2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY |
| 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 |
|---|---|
| 6502-1437517ALTCPC4 | 5/2 Secondary reference U.S. Government activity |
| 327-10V0LTSAC | 5/9 Secondary reference Leach International Corp Div Leach International Corporation |
| 6502-1437517REVCPC4 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5945-00-643-7490 is a Relay,electromagnetic, classified under FSC 5945, Relays and Solenoids. Status: active.
Key specifications for 5945-00-643-7490: Mounting Facility Type and Quantity: 1 THREADED STUD(S) SINGLE MOUNTING FACILITY; Overall Height: 1.250 INCHES NOMINAL IN; Main Contact Maximum Voltage Rating in Volts: 115.0 AC; Main Contact Load Current Rating at Maximum Rated Voltage: 2.0 AMPERES AC RESISTIVE LOAD. 15 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.