The Chopper,electronic, cataloged under National Stock Number 5945-00-589-7773, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5945-00-589-7773 |
| Primary Part Number | 481026-1 |
| 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 |
| Terminal Pattern Arrangement | 3/4 IN. APPROX DIA OF TERMINAL CIRCLE IN |
| Contact Voltage Rating | 500.0 DC VOLTS MAXIMUM |
| Contact Arrangement | SINGLE POLE, DOUBLE THROW, OPEN NEUTRAL |
| Overall Diameter | 1.312 INCHES NOMINAL IN |
| Drive Voltage Rating | 6.3 AC VOLTS NOMINAL |
| Contact Current Rating | 5.0 AMPERES NOMINAL |
| Drive Voltage Relationship to Input Voltage | UNEQUAL |
| Dwell Time Rating in Deg | 140.0 MINIMUM AND 180.0 MAXIMUM |
| Phase Angle in Deg | 140.0 |
| Plug in Mounting Feature | PROVIDED |
| Operating Temp Range | +5.0 TO 72.0 CELSIUS DEGC |
| Drive Frequency Rating | 60.0 HERTZ NOMINAL |
| 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 |
|---|---|
| 481026-1 PRIMARY | Lockheed Martin Corporation Div Rms (USA) |
| Reference | Meaning |
|---|---|
| 481026-1 | 5/9 Secondary reference Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin |
NSN 5945-00-589-7773 is a Chopper,electronic, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-00-589-7773 has 1 manufacturer part number on file: 481026-1 (Lockheed Martin Corporation Div Rms).
1 possible match (shared part number, not a government interchangeability claim): 5315-00-902-1146. Verify interchangeability with system specifications before substitution.
Key specifications for 481026-1: Contact Operation Sequence: BREAKS BEFORE MAKES; Terminal Pattern Arrangement: 3/4 IN. APPROX DIA OF TERMINAL CIRCLE IN; Contact Voltage Rating: 500.0 DC VOLTS MAXIMUM; Contact Arrangement: SINGLE POLE, DOUBLE THROW, OPEN NEUTRAL. 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.