The Relay,electromagnetic, cataloged under National Stock Number 5945-01-649-6739, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Textron Aviation Inc. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5945-01-649-6739 |
| Primary Part Number | 1250128 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Textron Aviation Inc |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY |
| Mounting Facility Pattern | IN-LINE SINGLE MOUNTING FACILITY |
| Duty Type | INTERMITTENT |
| Unthreaded Mounting Hole Diameter | 0.281 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Coil Quantity | 1 |
| Terminal Type and Quantity | 4 PIN ALL FUNCTIONS |
| 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 |
|---|---|
| 1250128 PRIMARY | Textron Aviation Inc (USA) |
| Reference | Meaning |
|---|---|
| 1250128 | 3/9 Design control — primary reference Cessna Aircraft Company Dba Textron Aviation |
NSN 5945-01-649-6739 is a Relay,electromagnetic, manufactured by Textron Aviation Inc, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-01-649-6739 has 1 manufacturer part number on file: 1250128 (Textron Aviation Inc).
Key specifications for 1250128: Mounting Facility Type and Quantity: 2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY; Mounting Facility Pattern: IN-LINE SINGLE MOUNTING FACILITY; Duty Type: INTERMITTENT; Unthreaded Mounting Hole Diameter: 0.281 INCHES NOMINAL SINGLE MOUNTING FACILITY IN. 6 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.