The Relay,electromagnetic, cataloged under National Stock Number 5945-01-386-9255, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Opto 22. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 3 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 | 5945-01-386-9255 |
| Primary Part Number | P240D4 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Opto 22 |
| Status | ACTIVE |
| Main Contact Maximum Voltage Rating in Volts | 240.0 AC |
| Main Contact Load Current Rating at Maximum Rated Voltage | 4.0 AMPERES AC RESISTIVE LOAD |
| Frequency in Hertz | 25.0 MINIMUM AND 65.0 MAXIMUM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5945-01-386-9255 is a Relay,electromagnetic, manufactured by Opto 22, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-01-386-9255 has 3 manufacturer part numbers on file: 91584185 (Thales Dms France SAS), 91584185 (Thales Sa), P240D4 (Opto 22).
1 possible match (shared part number, not a government interchangeability claim): 5945-01-394-0727. Verify interchangeability with system specifications before substitution.
Key specifications for P240D4: Main Contact Maximum Voltage Rating in Volts: 240.0 AC; Main Contact Load Current Rating at Maximum Rated Voltage: 4.0 AMPERES AC RESISTIVE LOAD; Frequency in Hertz: 25.0 MINIMUM AND 65.0 MAXIMUM; Special Features: FLAT PAK; TTL COMPAT; 1.2 WATT/AMP DISSIPATION; 4000VRMS ISOLATION; OP TEMP M40 TO P100 DEG C. 3 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.