The Chopper,electronic, cataloged under National Stock Number 5945-00-756-0345, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is General Motors Corp. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5945-00-756-0345 |
| Primary Part Number | 7901912 |
| Item Name | Chopper,electronic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | General Motors Corp |
| Status | ACTIVE |
| Contact Operation Sequence | BREAKS BEFORE MAKES |
| Contact Arrangement | SINGLE POLE, DOUBLE THROW |
| Overall Diameter | 0.763 INCHES NOMINAL IN |
| Drive Voltage Rating | 5.8 AC VOLTS MINIMUM AND 6.8 AC VOLTS MAXIMUM |
| Mounting Method | FLANGE |
| Base Mounting Size Designation | 7 PIN MINIATURE TUBE BASE SIZE |
| Drive Voltage Relationship to Input Voltage | UNEQUAL |
| Dwell Time Rating in Deg | 130.0 MINIMUM AND 165.0 MAXIMUM |
| Phase Angle in Deg | 50.0 AND 80.0 |
| Plug in Mounting Feature | NOT PROVIDED |
| Mounting Configuration | 2 HOLES 1/8 IN. DIA SPACED 1-1/16 IN. C TO C IN |
| Operating Temp Range | -65.0 TO 125.0 CELSIUS DEGC |
| Drive Frequency Rating | 380.0 HERTZ MINIMUM AND 420.0 HERTZ MAXIMUM |
| 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 |
|---|---|
| 7901912 | General Motors Corp (USA) |
| Reference | Meaning |
|---|---|
| 7901912 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5945-00-756-0345 is a Chopper,electronic, manufactured by General Motors Corp, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-00-756-0345 has 1 manufacturer part number on file: 7901912 (General Motors Corp).
Key specifications for 7901912: Contact Operation Sequence: BREAKS BEFORE MAKES; Contact Arrangement: SINGLE POLE, DOUBLE THROW; Overall Diameter: 0.763 INCHES NOMINAL IN; Drive Voltage Rating: 5.8 AC VOLTS MINIMUM AND 6.8 AC VOLTS MAXIMUM. 13 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.