The Chopper,electronic, cataloged under National Stock Number 5945-00-552-5278, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Lockheed Martin Corporation Div Rms. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5945-00-552-5278 |
| Primary Part Number | 7711432 |
| Item Name | Chopper,electronic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Lockheed Martin Corporation Div Rms |
| Status | ACTIVE |
| Contact Operation Sequence | BREAKS BEFORE MAKES |
| Contact Voltage Rating | 100.0 DC VOLTS MAXIMUM |
| Contact Arrangement | SINGLE POLE, DOUBLE THROW |
| Overall Diameter | 0.763 INCHES NOMINAL IN |
| Drive Voltage Rating | 6.3 AC VOLTS NOMINAL |
| Contact Current Rating | 1.0 MILLIAMPERES NOMINAL |
| Base Mounting Size Designation | 7 PIN MINIATURE TUBE |
| Drive Voltage Relationship to Input Voltage | UNEQUAL |
| Dwell Time Rating in Deg | 170.0 NOMINAL |
| Phase Angle in Deg | 21.0 |
| Plug in Mounting Feature | PROVIDED |
| Operating Temp Range | -65.0 TO 85.0 CELSIUS DEGC |
| Drive Frequency Rating | 30.0 HERTZ MINIMUM AND 100.0 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 |
|---|---|
| 7711432 PRIMARY | Lockheed Martin Corporation Div Rms (USA) |
| Reference | Meaning |
|---|---|
| 3701-50B19 | C/1 Advisory reference — outside the item-of-supply concept L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products |
NSN 5945-00-552-5278 is a Chopper,electronic, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-00-552-5278 has 1 manufacturer part number on file: 7711432 (Lockheed Martin Corporation Div Rms).
Key specifications for 7711432: Contact Operation Sequence: BREAKS BEFORE MAKES; Contact Voltage Rating: 100.0 DC VOLTS MAXIMUM; Contact Arrangement: SINGLE POLE, DOUBLE THROW; Overall Diameter: 0.763 INCHES NOMINAL IN. 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.