The Relay,electromagnetic, cataloged under National Stock Number 5945-01-047-3181, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5945-01-047-3181 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 1 TERMINAL SINGLE MOUNTING FACILITY |
| Main Contact Maximum Voltage Rating in Volts | 50.0 AC AND 50.0 DC |
| Main Contact Load Current Rating at Maximum Rated Voltage | 100.0 MILLIAMPERES AC AND 100.0 MILLIAMPERES DC RESISTIVE LOAD |
| Duty Type | CONTINUOUS |
| Winding DC Resistance Rating | 390.0 OHMS NOMINAL SINGLE WINDING |
| Features Provided | POLARIZED |
| Time Delay | 0.005 SECONDS MAXIMUM FIXED RELEASE TIME |
| Time Delay | 0.0050 SECONDS MAXIMUM FIXED OPERATE TIME |
| Coil Quantity | 1 |
| Environmental Protection | HERMETIC |
| Winding Quantity | 1 |
| Operating Voltage Rating and Type at Specified Temp | 26.5 VOLTS DC 25 DEG CELSIUS SINGLE WINDING |
| 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 |
|---|---|
| M5757/90-016 | 2/2 Government specification standardization U.S. Government activity |
| MIL-R-5757/90 | 4/1 Identification reference U.S. Government activity |
NSN 5945-01-047-3181 is a Relay,electromagnetic, classified under FSC 5945, Relays and Solenoids. Status: active.
4 possible matches (shared part number, not a government interchangeability claim): 5945-01-074-8437, 5945-01-128-1726, 5945-01-240-3870. Verify interchangeability with system specifications before substitution.
Key specifications for 5945-01-047-3181: Mounting Facility Type and Quantity: 1 TERMINAL SINGLE MOUNTING FACILITY; Overall Height: 0.577 INCHES NOMINAL IN; Main Contact Maximum Voltage Rating in Volts: 50.0 AC AND 50.0 DC; Main Contact Load Current Rating at Maximum Rated Voltage: 100.0 MILLIAMPERES AC AND 100.0 MILLIAMPERES DC RESISTIVE LOAD. 12 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.