The Relay,electromagnetic, cataloged under National Stock Number 5945-01-170-1726, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. Government technical data includes 19 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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 | 5945-01-170-1726 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 1 THREADED BUSHING SINGLE MOUNTING FACILITY |
| Main Contact Maximum Voltage Rating in Volts | 7000.0 AC AND 7.000 DC |
| Overall Diameter | 0.650 INCHES NOMINAL IN |
| Main Contact Load Current Rating at Maximum Rated Voltage | 10.0 AMPERES AC AND 10.0 AMPERES DC RESISTIVE LOAD |
| Duty Type | INTERMITTENT |
| Winding DC Resistance Rating | 47.0 OHMS NOMINAL ALL WINDINGS |
| Features Provided | POLARIZED AND LATCHING CONTACTS |
| Thread Direction | RIGHT-HAND SINGLE MOUNTING FACILITY |
| Nominal Thread Size | 0.562 INCHES SINGLE MOUNTING FACILITY IN |
| Coil Quantity | 2 |
| Environmental Protection | HERMETIC |
| Winding Quantity | 2 |
| Operating Voltage Rating and Type at Specified Temp | 26.5 VOLTS DC 25 DEG CELSIUS ALL WINDINGS |
| Thread Class | 2A SINGLE MOUNTING FACILITY A |
| Thread Quantity Per Inch | 32 SINGLE MOUNTING FACILITY |
| Terminal Type and Quantity | 3 TAB, SOLDER LUG CONTACTS |
| Terminal Type and Quantity | 4 WIRE LEAD ENERGIZING ELEMENT |
| Nonpile-Up Main Contact Arrangement | 1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY |
| Thread Series Designator | UN 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 |
|---|---|
| 284-990061-639 | 3/2 Design control — primary reference U.S. Government activity |
| 2249 | 5/9 Secondary reference Jennings Technology Company Llc Dba Jennings |
| RF63A-26S | 5/9 Secondary reference Jennings Technology Company Llc Dba Jennings |
NSN 5945-01-170-1726 is a Relay,electromagnetic, classified under FSC 5945, Relays and Solenoids. Status: active.
4 possible matches (shared part number, not a government interchangeability claim): 6510-01-271-7673, 5995-01-467-5177, 5331-01-556-0448. Verify interchangeability with system specifications before substitution.
Key specifications for 5945-01-170-1726: Mounting Facility Type and Quantity: 1 THREADED BUSHING SINGLE MOUNTING FACILITY; Main Contact Maximum Voltage Rating in Volts: 7000.0 AC AND 7.000 DC; Overall Diameter: 0.650 INCHES NOMINAL IN; Main Contact Load Current Rating at Maximum Rated Voltage: 10.0 AMPERES AC AND 10.0 AMPERES DC RESISTIVE LOAD. 19 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.