The Relay,electromagnetic, cataloged under National Stock Number 5945-01-049-3720, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5945-01-049-3720 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 1 PLUG-IN TERMINAL(S) SINGLE MOUNTING FACILITY |
| Main Contact Maximum Voltage Rating in Volts | 28.0 DC |
| Main Contact Load Current Rating at Maximum Rated Voltage | 3.0 AMPERES DC RESISTIVE LOAD |
| Main Contact Load Current Rating at Maximum Rated Voltage | 0.5 AMPERES DC LAMP LOAD |
| Duty Type | CONTINUOUS |
| Winding DC Resistance Rating | 400.0 OHMS NOMINAL SINGLE WINDING |
| Nominal Operating Current Rating and Type | 13.5 MILLIAMPERES DC SINGLE WINDING |
| Time Delay | 0.01 SECONDS MAXIMUM FIXED RELEASE TIME |
| Time Delay | 0.015 SECONDS MAXIMUM FIXED OPERATE TIME |
| Coil Quantity | 1 |
| Winding Quantity | 1 |
| Operating Voltage Rating and Type at Specified Temp | 9.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING |
| Terminal Type and Quantity | 8 PIN ALL FUNCTIONS |
| Nonpile-Up Main Contact Arrangement | 2 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 |
| Reference | Meaning |
|---|---|
| 80GB0-4A-400 | 3/9 Design control — primary reference U.S. Government activity |
| 646266 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 5945-01-049-3720 is a Relay,electromagnetic, classified under FSC 5945, Relays and Solenoids. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 3040-01-610-7459. Verify interchangeability with system specifications before substitution.
Key specifications for 5945-01-049-3720: Mounting Facility Type and Quantity: 1 PLUG-IN TERMINAL(S) SINGLE MOUNTING FACILITY; Overall Height: 1.281 INCHES MAXIMUM IN; Main Contact Maximum Voltage Rating in Volts: 28.0 DC; Main Contact Load Current Rating at Maximum Rated Voltage: 3.0 AMPERES DC RESISTIVE LOAD. 14 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.