The Relay,electromagnetic, cataloged under National Stock Number 5945-00-237-1271, 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 17 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5945-00-237-1271 |
| Primary Part Number | 50FN3 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Westinghouse Electric Corp |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 9 THREADED STUD(S) SINGLE MOUNTING FACILITY |
| Main Contact Maximum Voltage Rating in Volts | 600.0 AC |
| Mounting Facility Pattern | IRREGULARLY SPACED SINGLE MOUNTING FACILITY |
| Main Contact Load Current Rating at Maximum Rated Voltage | 50.0 AMPERES AC RESISTIVE LOAD |
| Duty Type | CONTINUOUS |
| Frequency in Hertz | 50.0 MINIMUM AND 60.0 MAXIMUM |
| Winding DC Resistance Rating | 4.45 OHMS NOMINAL SINGLE WINDING |
| Nominal Operating Current Rating and Type | 0.5 AMPERES AC SINGLE WINDING |
| Nominal Thread Size | 0.250 INCHES SINGLE MOUNTING FACILITY IN |
| Coil Quantity | 1 |
| Winding Quantity | 1 |
| Operating Voltage Rating and Type at Specified Temp | 115.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING |
| Thread Class | 2A SINGLE MOUNTING FACILITY A |
| Thread Quantity Per Inch | 20 SINGLE MOUNTING FACILITY |
| Terminal Type and Quantity | 8 THREADED STUD ALL FUNCTIONS |
| Nonpile-Up Main Contact Arrangement | 3 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 875482L | Westinghouse Electric Corp (USA) |
| 50FN3 PRIMARY | Westinghouse Electric Corp (USA) |
| 8A1912REV9 | Westinghouse Electric Corp (USA) |
| Reference | Meaning |
|---|---|
| 50FN3 | 5/2 Secondary reference U.S. Government activity |
| 8A1912REV9 | 5/2 Secondary reference U.S. Government activity |
| 875482L | 5/2 Secondary reference U.S. Government activity |
NSN 5945-00-237-1271 is a Relay,electromagnetic, manufactured by Westinghouse Electric Corp, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-00-237-1271 has 3 manufacturer part numbers on file: 875482L (Westinghouse Electric Corp), 50FN3 (Westinghouse Electric Corp), 8A1912REV9 (Westinghouse Electric Corp).
Key specifications for 50FN3: Mounting Facility Type and Quantity: 9 THREADED STUD(S) SINGLE MOUNTING FACILITY; Overall Height: 5.750 INCHES NOMINAL IN; Main Contact Maximum Voltage Rating in Volts: 600.0 AC; Mounting Facility Pattern: IRREGULARLY SPACED SINGLE MOUNTING FACILITY. 17 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.