The Relay,electromagnetic, cataloged under National Stock Number 5945-01-227-5525, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5945-01-227-5525 |
| Primary Part Number | 5542905 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY |
| Mounting Facility Pattern | RECTANGULAR SINGLE MOUNTING FACILITY |
| Duty Type | CONTINUOUS |
| Unthreaded Mounting Hole Diameter | 0.218 INCHES MAXIMUM SINGLE MOUNTING FACILITY IN |
| Coil Quantity | 1 |
| Winding Quantity | 1 |
| Operating Voltage Rating and Type at Specified Temp | 28.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING |
| Terminal Type and Quantity | 2 SCREW CONTACTS |
| Terminal Type and Quantity | 8 THREADED STUD ENERGIZING ELEMENT |
| Nonpile-Up Main Contact Arrangement | 4 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 9207-10231 | Leach International Corp Div Leach International Corporation (USA) |
| 5542905 | Leach International Corp Div Leach International Corporation (USA) |
| 5542905 PRIMARY | Naval Sea Systems Command (USA) |
| 5542905 | Raytheon Company (USA) |
NSN 5945-01-227-5525 is a Relay,electromagnetic, manufactured by Naval Sea Systems Command, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-01-227-5525 has 4 manufacturer part numbers on file: 9207-10231 (Leach International Corp Div Leach International Corporation), 5542905 (Leach International Corp Div Leach International Corporation), 5542905 (Naval Sea Systems Command), 5542905 (Raytheon Company).
Key specifications for 5542905: Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY; Overall Height: 2.843 INCHES MAXIMUM IN; Mounting Facility Pattern: RECTANGULAR SINGLE MOUNTING FACILITY; Duty Type: CONTINUOUS. 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.
NSN 5945-01-227-5525 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.