The Relay,electromagnetic, cataloged under National Stock Number 5945-01-054-1440, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Spencer Industries Inc. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5945-01-054-1440 |
| Primary Part Number | 581R484H03 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Spencer Industries Inc |
| Status | ACTIVE |
| Main Contact Maximum Voltage Rating in Volts | 28.0 DC |
| Coil Quantity | 1 |
| 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 |
|---|---|
| 581R484H03 | Spencer Industries Inc (USA) |
| KD-J2A-011 | Leach International Corp Div Leach International Corporation (USA) |
| Reference | Meaning |
|---|---|
| 581R484H03 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5945-01-054-1440 is a Relay,electromagnetic, manufactured by Spencer Industries Inc, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-01-054-1440 has 2 manufacturer part numbers on file: 581R484H03 (Spencer Industries Inc), KD-J2A-011 (Leach International Corp Div Leach International Corporation).
Key specifications for 581R484H03: Overall Height: 1.000 INCHES NOMINAL IN; Main Contact Maximum Voltage Rating in Volts: 28.0 DC; Overall Length: 1.015 INCHES NOMINAL IN; Overall Width: 1.015 INCHES NOMINAL IN. 2 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.