The Relay,electromagnetic, cataloged under National Stock Number 5945-00-231-3870, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Westest Engineering Corporation Dba Westest. Government technical data includes 24 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5945-00-231-3870 |
| Primary Part Number | 2000246-1 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Westest Engineering Corporation Dba Westest |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 1 TERMINAL SINGLE MOUNTING FACILITY |
| Main Contact Maximum Voltage Rating in Volts | 120.0 AC AND 28.0 DC |
| Fragility Factor | MODERATELY RUGGED |
| Arc Quenching Method | AIR |
| Precious Material | SILVER AND GOLD |
| Main Contact Load Current Rating at Maximum Rated Voltage | 7.5 AMPERES AC AND 7.5 AMPERES DC RESISTIVE LOAD |
| Duty Type | CONTINUOUS |
| Storage Type | GENERAL PURPOSE WAREHOUSE |
| Criticality Code Justification | FEAT |
| Winding DC Resistance Rating | 800.0 OHMS NOMINAL SINGLE WINDING |
| Coil Quantity | 1 |
| Surface Treatment | GOLD CONTACT |
| Environmental Protection | DUSTPROOF |
| Precious Material and Location | CONTACTS SILVER AND CONTACT SURFACES GOLD |
| Cubic Measure | 0.822 CUBIC INCHES |
| Winding Quantity | 1 |
| Operating Voltage Rating and Type at Specified Temp | 24.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING |
| Material | PLASTIC CASE |
| Material | SILVER CONTACT |
| Energizing Element Power Rating | 1.6 WATTS |
| Terminal Type and Quantity | 1 TAB, SOLDER LUG GROUND |
| Terminal Type and Quantity | 14 TAB, SOLDER LUG ENERGIZING ELEMENT AND CONTACTS |
| Nonpile-Up Main Contact Arrangement | 4 POLE, DOUBLE THROW, ONE POSITION MOMENTARY |
| Purpose for Which Designed | GENERAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| 2000246-1 | Westest Engineering Corporation Dba Westest (USA) |
| Reference | Meaning |
|---|---|
| 0490-0908 | 5/9 Secondary reference Hewlett-Packard Company Dba HP |
| R40-E1-X4-V800 | 3/9 Design control — primary reference Te Connectivity Corporation |
| R40E1X4V800 | C/1 Advisory reference — outside the item-of-supply concept Amf Inc Potter and Brumfield Div |
NSN 5945-00-231-3870 is a Relay,electromagnetic, manufactured by Westest Engineering Corporation Dba Westest, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-00-231-3870 has 1 manufacturer part number on file: 2000246-1 (Westest Engineering Corporation Dba Westest).
1 possible match (shared part number, not a government interchangeability claim): 5998-01-079-9807. Verify interchangeability with system specifications before substitution.
Key specifications for 2000246-1: Mounting Facility Type and Quantity: 1 TERMINAL SINGLE MOUNTING FACILITY; Overall Height: 1.365 INCHES MAXIMUM IN; Main Contact Maximum Voltage Rating in Volts: 120.0 AC AND 28.0 DC; Fragility Factor: MODERATELY RUGGED. 24 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.