The Relay,rotary, cataloged under National Stock Number 5945-01-078-3770, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Ward Leonard Ct Llc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5945-01-078-3770 |
| Primary Part Number | 106.416-1 |
| Item Name | Relay,rotary |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Ward Leonard Ct Llc |
| Status | ACTIVE |
| Contact Current Type | AC AND DC |
| Coil DC Resistance | 4.5 KILOHMS NOMINAL |
| Structural Design | SECTIONAL |
| Contact Terminal Quantity | 24 |
| Contact Maximum Rated Current | 10.0 AMPERES RESISTIVE |
| Hold-in Current | 20.0 MILLIAMPERES NOMINAL |
| Section Quantity | 2 |
| Contact Maximum Voltage Rating in Volts | 125.0 |
| Contact Voltage Rating at Maximum Rated Current | 115.0 |
| Coil Terminal Quantity | 4 |
| Mounting Configuration | FOUR 0.196 IN. DIA MTG HOLES ON 2.125 IN. BY 2.125 IN. MTG CENTERS IN |
| Pull-in Current | 80.0 MILLIAMPERES NOMINAL |
| AC Operating Voltage Rating in Volts | 440.0 NOMINAL |
| Contact Current Rating at Maximum Rated Voltage | 800.0 MILLIAMPERES RESISTIVE |
| Rotation Direction for Which Designed | CLOCKWISE |
| Coil Winding Quantity | 2 |
| 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 |
|---|---|
| 106.416-1 PRIMARY | Ward Leonard Ct Llc (USA) |
| Reference | Meaning |
|---|---|
| MDR6071 | C/1 Advisory reference — outside the item-of-supply concept Te Connectivity Corporation |
| MDR4098 | 5/9 Secondary reference Te Connectivity Corporation |
NSN 5945-01-078-3770 is a Relay,rotary, manufactured by Ward Leonard Ct Llc, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-01-078-3770 has 1 manufacturer part number on file: 106.416-1 (Ward Leonard Ct Llc).
1 possible match (shared part number, not a government interchangeability claim): 5945-01-078-3771. Verify interchangeability with system specifications before substitution.
Key specifications for 106.416-1: Contact Current Type: AC AND DC; Overall Height: 3.530 INCHES MAXIMUM IN; Coil DC Resistance: 4.5 KILOHMS NOMINAL; Structural Design: SECTIONAL. 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.