The Relay,electromagnetic, cataloged under National Stock Number 5945-01-658-5371, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Idec Systems and Controls Corp. Government technical data includes 17 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 | 5945-01-658-5371 |
| Primary Part Number | RU4S-CR-A110 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Idec Systems and Controls Corp |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 14 TERMINAL FIRST MOUNTING FACILITY |
| Main Contact Maximum Voltage Rating in Volts | 250.0 AC |
| Precious Material | GOLD AND SILVER |
| Main Contact Load Current Rating at Maximum Rated Voltage | 6.0 AMPERES AC RESISTIVE LOAD |
| Main Contact Load Current Rating at Maximum Rated Voltage | 0.8 AMPERES AC INDUCTIVE LOAD |
| Duty Type | CONTINUOUS |
| Frequency in Hertz | 60.0 MAXIMUM AND 50.0 MINIMUM |
| Features Provided | COIL VOLTAGE SUPPRESSION |
| Nominal Operating Current Rating and Type | 7.1 AMPERES AC AND 10.0 AMPERES AC ALL WINDINGS |
| Coil Quantity | 1 |
| Surface Treatment | GOLD CONTACT |
| Environmental Protection | SHOCK RESISTANT AND VIBRATION RESISTANT |
| Operating Voltage Rating and Type at Specified Temp | 105.0 VOLTS AC 20 DEG CELSIUS ALL WINDINGS |
| Material | SILVER CONTACT |
| Energizing Element Power Rating | 0.9 VOLTS-AMPERES AND 1.4 VOLTS-AMPERES |
| Terminal Type and Quantity | 14 TAB, SOLDER LUG ALL FUNCTIONS |
| Nonpile-Up Main Contact Arrangement | 4 POLE, DOUBLE THROW, BOTH POSITIONS MAINTAINED |
| 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 |
|---|---|
| RU4S-CR-A110 PRIMARY | Idec Systems and Controls Corp (USA) |
NSN 5945-01-658-5371 is a Relay,electromagnetic, manufactured by Idec Systems and Controls Corp, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-01-658-5371 has 1 manufacturer part number on file: RU4S-CR-A110 (Idec Systems and Controls Corp).
Key specifications for RU4S-CR-A110: Mounting Facility Type and Quantity: 14 TERMINAL FIRST MOUNTING FACILITY; Overall Height: 41.4 MILLIMETERS NOMINAL MM; Main Contact Maximum Voltage Rating in Volts: 250.0 AC; Precious Material: GOLD AND SILVER. 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.