The Relay,solid State, cataloged under National Stock Number 5945-01-644-4735, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, 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 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 | 5945-01-644-4735 |
| Primary Part Number | 782185-A00 |
| Item Name | Relay,solid State |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc. |
| Status | ACTIVE |
| Operating Temp Range | -40.0 TO 65.0 CELSIUS DEGC |
| Terminal Type and Quantity | 7 SCREW |
| 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 |
|---|---|
| 782185-A00 PRIMARY | L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc. (USA) |
| WUV-1-440-01 PRIMARY | Te Connectivity Corporation (USA) |
NSN 5945-01-644-4735 is a Relay,solid State, manufactured by L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc., classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-01-644-4735 has 2 manufacturer part numbers on file: 782185-A00 (L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.), WUV-1-440-01 (Te Connectivity Corporation).
1 possible match (shared part number, not a government interchangeability claim): 5945-01-732-3941. Verify interchangeability with system specifications before substitution.
Key specifications for 782185-A00: Overall Height: 4.810 INCHES MAXIMUM IN; Overall Length: 8.500 INCHES NOMINAL IN; Overall Width: 6.000 INCHES NOMINAL IN; Special Features: SENSING VOLTAGE: 0-500VAC, 1PH, 60HZ; SENSING TYPE: AVERAGE TRUE RMS; RESPONSE TIME: LESS THAN 300 MSEC FIXED TOTAL SENSING AND TRIP TIME; OUTPUT CONTACTS: 1 NO, 1 NC; CONSTRUCION: SOLID STATE SENSOR WITH RELAY OUTPUT ENCLOSED IN SEALED STEEL CAN; NOMINAL LINE VOLTAGE: 460VAC VAC. 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.