The Relay,rotary, cataloged under National Stock Number 5945-00-021-3378, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Us Army Aviation and Missile Command. Government technical data includes 15 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 | 5945-00-021-3378 |
| Primary Part Number | 10167730 |
| Item Name | Relay,rotary |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Contact Current Type | AC AND DC |
| Coil DC Resistance | 8.02 OHMS NOMINAL |
| Structural Design | SECTIONAL |
| DC Operating Voltage Rating in Volts | 28.0 NOMINAL |
| Operating Current Rating | 3.5 AMPERES NOMINAL |
| Contact Terminal Quantity | 88 |
| Contact Maximum Rated Current | 2.0 AMPERES RESISTIVE |
| Section Quantity | 4 |
| Contact Maximum Voltage Rating in Volts | 110.0 |
| Contact Voltage Rating at Maximum Rated Current | 28.0 |
| Coil Terminal Quantity | 2 |
| Mounting Configuration | FOUR 0.250 IN. DIA MTG HOLES ON 3.500 IN. BY 0.812 IN. MTG CENTERS IN |
| Contact Current Rating at Maximum Rated Voltage | 1.0 AMPERES RESISTIVE |
| 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 |
|---|---|
| 714-414143 | Viasys Respiratory Care Inc. Dba Biosys Healthcare (USA) |
| 10167730 PRIMARY | Us Army Aviation and Missile Command (USA) |
| 632198 | Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch (USA) |
NSN 5945-00-021-3378 is a Relay,rotary, manufactured by Us Army Aviation and Missile Command, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-00-021-3378 has 3 manufacturer part numbers on file: 714-414143 (Viasys Respiratory Care Inc. Dba Biosys Healthcare), 10167730 (Us Army Aviation and Missile Command), 632198 (Electro Switch Corp. Dba Oak Grisgsby Div Electroswitch).
1 possible match (shared part number, not a government interchangeability claim): 6130-00-736-3334. Verify interchangeability with system specifications before substitution.
Key specifications for 10167730: Contact Current Type: AC AND DC; Overall Height: 1.688 INCHES NOMINAL IN; Coil DC Resistance: 8.02 OHMS NOMINAL; Structural Design: SECTIONAL. 15 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.