The Relay,electromagnetic, cataloged under National Stock Number 5945-01-255-8788, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Curtis Wilbur Co Inc. Government technical data includes 23 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5945-01-255-8788 |
| Primary Part Number | WC-401 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Curtis Wilbur Co Inc |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY |
| Main Contact Maximum Voltage Rating in Volts | 240.0 AC AND 28.0 DC |
| Fragility Factor | MODERATELY RUGGED |
| Mounting Facility Pattern | IN-LINE SINGLE MOUNTING FACILITY |
| Arc Quenching Method | AIR |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 1.875 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Main Contact Load Current Rating at Maximum Rated Voltage | 30.0 AMPERES AC AND 30.0 AMPERES DC RESISTIVE LOAD |
| Duty Type | CONTINUOUS |
| Storage Type | GENERAL PURPOSE WAREHOUSE |
| Unthreaded Mounting Hole Diameter | 0.200 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Frequency in Hertz | 50.0 MINIMUM AND 60.0 MAXIMUM |
| Winding DC Resistance Rating | 170.0 OHMS NOMINAL SINGLE WINDING |
| Features Provided | POLARIZED |
| Time Delay | 0.015 SECONDS NOMINAL FIXED RELEASE TIME |
| Time Delay | 0.03 SECONDS NOMINAL FIXED OPERATE TIME |
| Coil Quantity | 1 |
| Cubic Measure | 19.845 CUBIC INCHES |
| Winding Quantity | 1 |
| Operating Voltage Rating and Type at Specified Temp | 120.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING |
| Material | PLASTIC CASE |
| Terminal Type and Quantity | 11 SCREW ALL FUNCTIONS |
| Nonpile-Up Main Contact Arrangement | 3 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 |
| Part Number | Manufacturer |
|---|---|
| WC-401 PRIMARY | Curtis Wilbur Co Inc (USA) |
NSN 5945-01-255-8788 is a Relay,electromagnetic, manufactured by Curtis Wilbur Co Inc, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-01-255-8788 has 1 manufacturer part number on file: WC-401 (Curtis Wilbur Co Inc).
Key specifications for WC-401: Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY; Overall Height: 2.450 INCHES NOMINAL IN; Main Contact Maximum Voltage Rating in Volts: 240.0 AC AND 28.0 DC; Fragility Factor: MODERATELY RUGGED. 23 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.