The Relay,rotary, cataloged under National Stock Number 5945-01-126-7891, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Te Connectivity Corporation. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5945-01-126-7891 |
| Primary Part Number | MDR-5072 |
| Item Name | Relay,rotary |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Te Connectivity Corporation |
| Status | ACTIVE |
| Winding Characteristic | SINGLE WOUND UNTAPPED |
| Contact Current Type | AC |
| Coil DC Resistance | 17.5 OHMS NOMINAL |
| Structural Design | NONPILE-UP |
| DC Operating Voltage Rating in Volts | 12.0 NOMINAL |
| Contact Arrangement | 4DPDT |
| Contact Terminal Quantity | 12 |
| Contact Maximum Voltage Rating in Volts | 1250.0 |
| Coil Terminal Quantity | 2 |
| Mounting Configuration | FOUR UNTHREADED HOLES SPACED ON 2.125 IN. BY 2.125 IN. MTG CENTERS IN |
| Rotation Direction for Which Designed | COUNTERCLOCKWISE |
| 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 |
|---|---|
| MDR-5072 | Te Connectivity Corporation (USA) |
| MDR-5072 PRIMARY | Te Connectivity Corporation (USA) |
| Reference | Meaning |
|---|---|
| 315-24-001 | C/1 Advisory reference — outside the item-of-supply concept L-3 Communications Westwood Corporation Dba Nmp Division Div L3 Westwood Corporation |
NSN 5945-01-126-7891 is a Relay,rotary, manufactured by Te Connectivity Corporation, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-01-126-7891 has 2 manufacturer part numbers on file: MDR-5072 (Te Connectivity Corporation), MDR-5072 (Te Connectivity Corporation).
Key specifications for MDR-5072: Winding Characteristic: SINGLE WOUND UNTAPPED; Contact Current Type: AC; Overall Height: 3.130 INCHES MAXIMUM IN; Coil DC Resistance: 17.5 OHMS NOMINAL. 12 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.