The Relay,rotary, cataloged under National Stock Number 5945-00-259-2441, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Stewart-Warner Corporation. 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 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 | 5945-00-259-2441 |
| Primary Part Number | 166161 |
| Item Name | Relay,rotary |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Stewart-Warner Corporation |
| Status | ACTIVE |
| Winding Characteristic | SINGLE WOUND UNTAPPED |
| Structural Design | SECTIONAL |
| DC Operating Voltage Rating in Volts | 130.0 NOMINAL |
| Precious Material | SILVER |
| Contact Terminal Quantity | 37 |
| Section Quantity | 4 |
| Coil Terminal Quantity | 2 |
| Mounting Configuration | THREE 0.172 IN. DIA MTG HOLES FORMING AN ISOSCELES TRIANGLE,BASE 1.375 IN.,ALTITUDE 2.531 IN. IN |
| Precious Material and Location | CONTACTS SILVER |
| Rotation Direction for Which Designed | CLOCKWISE |
| Coil Winding Quantity | 1 |
| 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 |
|---|---|
| 166161 PRIMARY | Stewart-Warner Corporation (USA) |
NSN 5945-00-259-2441 is a Relay,rotary, manufactured by Stewart-Warner Corporation, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-00-259-2441 has 1 manufacturer part number on file: 166161 (Stewart-Warner Corporation).
1 possible match (shared part number, not a government interchangeability claim): 5962-01-188-6436. Verify interchangeability with system specifications before substitution.
Key specifications for 166161: Winding Characteristic: SINGLE WOUND UNTAPPED; Overall Height: 1.813 INCHES NOMINAL IN; Structural Design: SECTIONAL; DC Operating Voltage Rating in Volts: 130.0 NOMINAL. 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.