The Relay,electromagnetic, cataloged under National Stock Number 5945-01-302-5873, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Toshiba International Corporation Dba Toshiba International Corp. Government technical data includes 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5945-01-302-5873 |
| Primary Part Number | A4-22E-A |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Toshiba International Corporation Dba Toshiba International Corp |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY |
| Main Contact Maximum Voltage Rating in Volts | 600.0 AC |
| Fragility Factor | MODERATELY RUGGED |
| Mounting Facility Pattern | DIAGONAL SINGLE MOUNTING FACILITY |
| Arc Quenching Method | AIR |
| Main Contact Load Current Rating at Maximum Rated Voltage | 1.2 AMPERES AC RESISTIVE LOAD |
| Duty Type | CONTINUOUS |
| Unthreaded Mounting Hole Diameter | 0.188 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Frequency in Hertz | 60.0 NOMINAL |
| Coil Quantity | 1 |
| Cubic Measure | 12.980 CUBIC INCHES |
| Winding Quantity | 1 |
| Operating Voltage Rating and Type at Specified Temp | 120.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING |
| Terminal Type and Quantity | 8 SCREW ALL FUNCTIONS |
| Nonpile-Up Main Contact Arrangement | 4 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 |
|---|---|
| A4-22E-A PRIMARY | Toshiba International Corporation Dba Toshiba International Corp (USA) |
| Reference | Meaning |
|---|---|
| PC20242P611 | C/1 Advisory reference — outside the item-of-supply concept Toshiba International Corporation Dba Toshiba International Corp |
NSN 5945-01-302-5873 is a Relay,electromagnetic, manufactured by Toshiba International Corporation Dba Toshiba International Corp, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-01-302-5873 has 1 manufacturer part number on file: A4-22E-A (Toshiba International Corporation Dba Toshiba International Corp).
Key specifications for A4-22E-A: Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY; Overall Height: 3.030 INCHES NOMINAL IN; Main Contact Maximum Voltage Rating in Volts: 600.0 AC; Fragility Factor: MODERATELY RUGGED. 16 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.