The Relay,electromagnetic, cataloged under National Stock Number 5945-00-844-5175, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Ward Leonard Ct Llc. Government technical data includes 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5945-00-844-5175 |
| Primary Part Number | K45721 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Ward Leonard Ct Llc |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 2 SLOTTED HOLE AND 1 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY |
| Main Contact Maximum Voltage Rating in Volts | 110.0 DC |
| Mounting Facility Pattern | TRIANGLE SINGLE MOUNTING FACILITY |
| Duty Type | CONTINUOUS |
| Unthreaded Mounting Hole Diameter | 1.188 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Center to Center Distance Between Mounting Facilities Parallel to the Altitude of an Isosceles Triangle | 6.500 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Winding DC Resistance Rating | 45.0 OHMS NOMINAL SINGLE WINDING |
| Nominal Operating Current Rating and Type | 290.0 MILLIAMPERES DC SINGLE WINDING |
| Coil Quantity | 1 |
| Winding Quantity | 1 |
| Operating Voltage Rating and Type at Specified Temp | 110.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING |
| Terminal Type and Quantity | 10 PIN ALL FUNCTIONS |
| Nonpile-Up Main Contact Arrangement | 4 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION |
| Mounting Slot Width | 0.219 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| 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 |
|---|---|
| K45721 | Ward Leonard Ct Llc (USA) |
| Reference | Meaning |
|---|---|
| 53484 | 3/9 Design control — primary reference Nei Peebles-Electric Products Inc |
NSN 5945-00-844-5175 is a Relay,electromagnetic, manufactured by Ward Leonard Ct Llc, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-00-844-5175 has 1 manufacturer part number on file: K45721 (Ward Leonard Ct Llc).
1 possible match (shared part number, not a government interchangeability claim): 5995-01-266-9004. Verify interchangeability with system specifications before substitution.
Key specifications for K45721: Mounting Facility Type and Quantity: 2 SLOTTED HOLE AND 1 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY; Overall Height: 3.500 INCHES NOMINAL IN; Main Contact Maximum Voltage Rating in Volts: 110.0 DC; Mounting Facility Pattern: TRIANGLE SINGLE MOUNTING FACILITY. 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.