The Relay,electromagnetic, cataloged under National Stock Number 5945-00-666-3950, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5945-00-666-3950 |
| 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 |
| Main Contact Maximum Voltage Rating in Volts | 125.0 DC |
| Mounting Facility Pattern | CIRUCLAR SINGLE MOUNTING FACILITY |
| Overall Diameter | 1.750 INCHES NOMINAL IN |
| Main Contact Load Current Rating at Maximum Rated Voltage | 5.0 AMPERES DC RESISTIVE LOAD |
| Duty Type | CONTINUOUS |
| Winding DC Resistance Rating | 30.0 OHMS NOMINAL FIRST WINDING |
| Winding DC Resistance Rating | 90.0 OHMS NOMINAL SECOND WINDING |
| Nominal Operating Current Rating and Type | 1.35 MILLIAMPERES DC FIRST WINDING |
| Nominal Operating Current Rating and Type | 2.8 MILLIAMPERES DC SECOND WINDING |
| Nominal Thread Size | 0.138 INCHES SINGLE MOUNTING FACILITY IN |
| Coil Quantity | 1 |
| Environmental Protection | HERMETIC |
| Winding Quantity | 2 |
| 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 |
|---|---|
| A13818 | 5/9 Secondary reference White Consolidated Industries Inc Freezer Div |
| A13818 | 3/9 Design control — primary reference Transmag |
NSN 5945-00-666-3950 is a Relay,electromagnetic, classified under FSC 5945, Relays and Solenoids. Status: active.
Key specifications for 5945-00-666-3950: Mounting Facility Type and Quantity: 3 THREADED STUD(S) SINGLE MOUNTING FACILITY; Main Contact Maximum Voltage Rating in Volts: 125.0 DC; Mounting Facility Pattern: CIRUCLAR SINGLE MOUNTING FACILITY; Overall Diameter: 1.750 INCHES NOMINAL IN. 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.