The Relay,electromagnetic, cataloged under National Stock Number 5945-00-642-1066, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5945-00-642-1066 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 3 THREADED STUD(S) SINGLE MOUNTING FACILITY |
| Pile-Up Main Contact Form Arrangement | 1A A |
| Main Contact Maximum Voltage Rating in Volts | 28.0 DC |
| Mounting Facility Pattern | CIRUCLAR SINGLE MOUNTING FACILITY |
| Arc Quenching Method | INERT GAS |
| Overall Diameter | 2.480 INCHES NOMINAL IN |
| Main Contact Load Current Rating at Maximum Rated Voltage | 500.0 MILLIAMPERES DC RESISTIVE LOAD |
| Duty Type | CONTINUOUS |
| Nominal Thread Size | 0.138 INCHES SINGLE MOUNTING FACILITY IN |
| Coil Quantity | 1 |
| Environmental Protection | HERMETIC |
| Winding Quantity | 1 |
| Operating Voltage Rating and Type at Specified Temp | 28.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING |
| Thread Class | 2A SINGLE MOUNTING FACILITY A |
| 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 |
| Reference | Meaning |
|---|---|
| 743849-1 | 5/9 Secondary reference Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin |
| 743849-1 | 3/9 Design control — primary reference Rca Corp Distributor and Special Products Div |
NSN 5945-00-642-1066 is a Relay,electromagnetic, classified under FSC 5945, Relays and Solenoids. Status: active.
Key specifications for 5945-00-642-1066: Mounting Facility Type and Quantity: 3 THREADED STUD(S) SINGLE MOUNTING FACILITY; Pile-Up Main Contact Form Arrangement: 1A A; Main Contact Maximum Voltage Rating in Volts: 28.0 DC; Mounting Facility Pattern: CIRUCLAR SINGLE MOUNTING FACILITY. 15 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.