The Relay,electromagnetic, cataloged under National Stock Number 5945-00-847-7963, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Westinghouse Electric Corp. Government technical data includes 15 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5945-00-847-7963 |
| Primary Part Number | 576R743H01 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Westinghouse Electric Corp |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 6 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY |
| Main Contact Maximum Voltage Rating in Volts | 25000.0 AC AND 25000.0 DC |
| Mounting Facility Pattern | CIRUCLAR SINGLE MOUNTING FACILITY |
| Overall Diameter | 3.500 INCHES MAXIMUM IN |
| Main Contact Load Current Rating at Maximum Rated Voltage | 25.0 AMPERES AC AND 25.0 AMPERES DC RESISTIVE LOAD |
| Duty Type | CONTINUOUS |
| Unthreaded Mounting Hole Diameter | 0.196 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Winding DC Resistance Rating | 120.0 OHMS NOMINAL SINGLE WINDING |
| Nominal Operating Current Rating and Type | 220.0 MILLIAMPERES DC SINGLE WINDING |
| Time Delay | 0.025 SECONDS MAXIMUM FIXED OPERATE AND RELEASE TIME |
| Coil Quantity | 1 |
| Winding Quantity | 1 |
| Operating Voltage Rating and Type at Specified Temp | 26.5 VOLTS DC 25 DEG CELSIUS SINGLE WINDING |
| Terminal Type and Quantity | 5 PIN ALL FUNCTIONS |
| Nonpile-Up Main Contact Arrangement | 1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY |
| 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 |
|---|---|
| 576R743H01 | Westinghouse Electric Corp (USA) |
| Reference | Meaning |
|---|---|
| 576R743H01 | 3/2 Design control — primary reference U.S. Government activity |
| RE6B | 5/9 Secondary reference Jennings Technology Company Llc Dba Jennings |
NSN 5945-00-847-7963 is a Relay,electromagnetic, manufactured by Westinghouse Electric Corp, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-00-847-7963 has 1 manufacturer part number on file: 576R743H01 (Westinghouse Electric Corp).
Key specifications for 576R743H01: Mounting Facility Type and Quantity: 6 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY; Main Contact Maximum Voltage Rating in Volts: 25000.0 AC AND 25000.0 DC; Mounting Facility Pattern: CIRUCLAR SINGLE MOUNTING FACILITY; Overall Diameter: 3.500 INCHES MAXIMUM IN. 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.