The Relay,electromagnetic, cataloged under National Stock Number 5945-01-522-4593, 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 8 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 | 5945-01-522-4593 |
| Primary Part Number | RY4S-UL AC24V |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Idec Systems and Controls Corp |
| Status | ACTIVE |
| Main Contact Maximum Voltage Rating in Volts | 120.0 AC AND 30.0 DC |
| Main Contact Load Current Rating at Maximum Rated Voltage | 5.0 AMPERES AC AND 5.0 AMPERES DC RESISTIVE LOAD |
| Main Contact Load Current Rating at Maximum Rated Voltage | 5.0 AMPERES AC AND 5.0 AMPERES DC INDUCTIVE LOAD |
| Duty Type | CONTINUOUS |
| Coil Quantity | 1 |
| Winding Quantity | 1 |
| Terminal Type and Quantity | 14 TAB, SOLDER LUG ALL FUNCTIONS |
| Nonpile-Up Main Contact Arrangement | 4 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 |
|---|---|
| RY4S-UL AC24V PRIMARY | Idec Systems and Controls Corp (USA) |
NSN 5945-01-522-4593 is a Relay,electromagnetic, manufactured by Idec Systems and Controls Corp, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-01-522-4593 has 1 manufacturer part number on file: RY4S-UL AC24V (Idec Systems and Controls Corp).
Key specifications for RY4S-UL AC24V: Overall Height: 1.070 INCHES NOMINAL IN; Main Contact Maximum Voltage Rating in Volts: 120.0 AC AND 30.0 DC; Main Contact Load Current Rating at Maximum Rated Voltage: 5.0 AMPERES AC AND 5.0 AMPERES DC RESISTIVE LOAD; Main Contact Load Current Rating at Maximum Rated Voltage: 5.0 AMPERES AC AND 5.0 AMPERES DC INDUCTIVE LOAD. 8 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.