The Relay,electromagnetic, cataloged under National Stock Number 5945-00-900-1889, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is The Boeing Company. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5945-00-900-1889 |
| Primary Part Number | 140-0040 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | The Boeing Company |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 1 PLUG-IN TERMINAL(S) SINGLE MOUNTING FACILITY |
| Main Contact Maximum Voltage Rating in Volts | 115.0 AC |
| Arc Quenching Method | AIR |
| Main Contact Load Current Rating at Maximum Rated Voltage | 10.0 AMPERES AC AND 10.0 AMPERES DC RESISTIVE LOAD |
| Duty Type | CONTINUOUS |
| Frequency in Hertz | 60.0 NOMINAL |
| Coil Quantity | 1 |
| Winding Quantity | 1 |
| Operating Voltage Rating and Type at Specified Temp | 115.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING |
| Terminal Type and Quantity | 11 PIN ALL FUNCTIONS |
| Nonpile-Up Main Contact Arrangement | 3 POLE, DOUBLE THROW, ONE POSITION MOMENTARY |
| 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 |
|---|---|
| 140-0040 | The Boeing Company (USA) |
| Reference | Meaning |
|---|---|
| 200PC3CX | 3/9 Design control — primary reference U.S. Government activity |
NSN 5945-00-900-1889 is a Relay,electromagnetic, manufactured by The Boeing Company, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-00-900-1889 has 1 manufacturer part number on file: 140-0040 (The Boeing Company).
1 possible match (shared part number, not a government interchangeability claim): 3110-01-397-1590. Verify interchangeability with system specifications before substitution.
Key specifications for 140-0040: Mounting Facility Type and Quantity: 1 PLUG-IN TERMINAL(S) SINGLE MOUNTING FACILITY; Overall Height: 1.400 INCHES NOMINAL IN; Main Contact Maximum Voltage Rating in Volts: 115.0 AC; Arc Quenching Method: AIR. 11 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.