The Relay,electromagnetic, cataloged under National Stock Number 5945-00-251-9780, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Raytheon Company Dba Raytheon Co. 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5945-00-251-9780 |
| Primary Part Number | 746-497 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Raytheon Company Dba Raytheon Co |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY |
| Main Contact Maximum Voltage Rating in Volts | 230.0 AC AND 115.0 DC |
| Mounting Facility Pattern | RECTANGULAR SINGLE MOUNTING FACILITY |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 2.350 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Main Contact Load Current Rating at Maximum Rated Voltage | 3.0 AMPERES AC AND 0.5 AMPERES DC RESISTIVE LOAD |
| Duty Type | CONTINUOUS |
| Unthreaded Mounting Hole Diameter | 0.138 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Winding DC Resistance Rating | 5.1 KILOHMS NOMINAL SINGLE WINDING |
| Nominal Operating Current Rating and Type | 20.0 MILLIAMPERES DC SINGLE WINDING |
| Coil Quantity | 1 |
| Winding Quantity | 1 |
| Operating Voltage Rating and Type at Specified Temp | 115.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 1.475 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Nonpile-Up Main Contact Arrangement | 2 POLE, SINGLE THROW, NORMALLY OPEN, 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 |
|---|---|
| 746-497 | Raytheon Company Dba Raytheon Co (USA) |
| Reference | Meaning |
|---|---|
| 1BXX125 | 3/9 Design control — primary reference Struthers-Dunn Inc |
| 746-497 | 5/9 Secondary reference Raytheon Company Div Corp |
| B1BXX125 | 5/9 Secondary reference Struthers-Dunn Inc |
| 746-497 | 5/2 Secondary reference U.S. Government activity |
NSN 5945-00-251-9780 is a Relay,electromagnetic, manufactured by Raytheon Company Dba Raytheon Co, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-00-251-9780 has 1 manufacturer part number on file: 746-497 (Raytheon Company Dba Raytheon Co).
Key specifications for 746-497: Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY; Overall Height: 1.870 INCHES NOMINAL IN; Main Contact Maximum Voltage Rating in Volts: 230.0 AC AND 115.0 DC; Mounting Facility Pattern: RECTANGULAR 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.