The Relay,electromagnetic, cataloged under National Stock Number 5945-01-367-8665, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Schneider Electric Usa, Inc.. Government technical data includes 16 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5945-01-367-8665 |
| Primary Part Number | 8501RS4V20 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Schneider Electric Usa, Inc. |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 1 THREADED STUD(S) SINGLE MOUNTING FACILITY |
| Main Contact Maximum Voltage Rating in Volts | 120.0 AC AND 28.0 DC |
| Main Contact Load Current Rating at Maximum Rated Voltage | 3.0 AMPERES AC AND 3.0 AMPERES DC RESISTIVE LOAD |
| Thread Length | 0.310 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Duty Type | CONTINUOUS |
| Nominal Thread Size | 0.099 INCHES SINGLE MOUNTING FACILITY IN |
| Coil Quantity | 1 |
| Surface Treatment | GOLD CONTACT |
| Environmental Protection | HERMETIC |
| Winding Quantity | 1 |
| Operating Voltage Rating and Type at Specified Temp | 120.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING |
| Thread Class | 2A FIRST MOUNTING FACILITY A |
| Material | SILVER CONTACT |
| Terminal Type and Quantity | 14 TAB, SOLDER LUG ALL FUNCTIONS |
| Nonpile-Up Main Contact Arrangement | 4 POLE, DOUBLE THROW, ONE POSITION MOMENTARY |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY |
| 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 |
|---|---|
| 8501RS4V20 PRIMARY | Schneider Electric Usa, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 8501 RS41V20 | C/1 Advisory reference — outside the item-of-supply concept Schneider Electric Usa, Inc. |
| 8501RSV20 | C/1 Advisory reference — outside the item-of-supply concept Schneider Electric Usa, Inc. |
NSN 5945-01-367-8665 is a Relay,electromagnetic, manufactured by Schneider Electric Usa, Inc., classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-01-367-8665 has 1 manufacturer part number on file: 8501RS4V20 (Schneider Electric Usa, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5945-01-516-8881. Verify interchangeability with system specifications before substitution.
Key specifications for 8501RS4V20: Mounting Facility Type and Quantity: 1 THREADED STUD(S) SINGLE MOUNTING FACILITY; Overall Height: 1.590 INCHES NOMINAL IN; Main Contact Maximum Voltage Rating in Volts: 120.0 AC AND 28.0 DC; Main Contact Load Current Rating at Maximum Rated Voltage: 3.0 AMPERES AC AND 3.0 AMPERES DC RESISTIVE LOAD. 16 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.