The Relay,electromagnetic, cataloged under National Stock Number 5945-01-077-8685, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Cooper Wheelock, Inc.. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5945-01-077-8685 |
| Primary Part Number | 502H-1A1B-26 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Cooper Wheelock, Inc. |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 1 PLUG-IN TERMINAL(S) SINGLE MOUNTING FACILITY |
| Duty Type | CONTINUOUS |
| Winding DC Resistance Rating | 1.33 KILOHMS NOMINAL SINGLE WINDING |
| Features Provided | POLARIZED |
| Coil Quantity | 1 |
| Winding Quantity | 1 |
| Operating Voltage Rating and Type at Specified Temp | 26.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING |
| Terminal Type and Quantity | 2 TAB, SOLDER LUG ENERGIZING ELEMENT |
| Terminal Type and Quantity | 4 TAB, SOLDER LUG CONTACTS |
| Nonpile-Up Main Contact Arrangement | 1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION AND 1 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 502H-1A1B-26 PRIMARY | Cooper Wheelock, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 671365 | 7/2 Vendor item drawing reference Cae Usa Inc. |
| 671365 | 5/9 Secondary reference Raytheon Technical Services Company |
NSN 5945-01-077-8685 is a Relay,electromagnetic, manufactured by Cooper Wheelock, Inc., classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-01-077-8685 has 1 manufacturer part number on file: 502H-1A1B-26 (Cooper Wheelock, Inc.).
Key specifications for 502H-1A1B-26: Mounting Facility Type and Quantity: 1 PLUG-IN TERMINAL(S) SINGLE MOUNTING FACILITY; Overall Height: 0.525 INCHES MAXIMUM IN; Duty Type: CONTINUOUS; Overall Length: 1.193 INCHES NOMINAL IN. 10 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.