The Chopper,electronic, cataloged under National Stock Number 5945-00-502-9017, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is L3 Technologies, Inc. Div Communication Systems-East. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5945-00-502-9017 |
| Primary Part Number | 743003-1 |
| Item Name | Chopper,electronic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | L3 Technologies, Inc. Div Communication Systems-East |
| Status | ACTIVE |
| Contact Operation Sequence | BREAKS BEFORE MAKES |
| Contact Voltage Rating | 60.0 DC VOLTS MAXIMUM |
| Contact Arrangement | SINGLE POLE, DOUBLE THROW |
| Overall Diameter | 1.531 INCHES NOMINAL IN |
| Drive Voltage Rating | 120.0 AC VOLTS NOMINAL |
| Contact Current Rating | 0.001 AMPERES NOMINAL |
| Base Mounting Size Designation | OCTAL TUBE BASE SIZE |
| Drive Voltage Relationship to Input Voltage | UNEQUAL |
| Dwell Time Rating in Deg | 105.0 NOMINAL |
| Phase Angle in Deg | 80.0 |
| Plug in Mounting Feature | PROVIDED |
| Operating Temp Range | -54.0 TO 90.0 CELSIUS DEGC |
| Drive Frequency Rating | 390.0 HERTZ MINIMUM AND 430.0 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 |
|---|---|
| 743003-1 PRIMARY | L3 Technologies, Inc. Div Communication Systems-East (USA) |
| Reference | Meaning |
|---|---|
| 743003-1 | 5/9 Secondary reference Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin |
NSN 5945-00-502-9017 is a Chopper,electronic, manufactured by L3 Technologies, Inc. Div Communication Systems-East, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-00-502-9017 has 1 manufacturer part number on file: 743003-1 (L3 Technologies, Inc. Div Communication Systems-East).
1 possible match (shared part number, not a government interchangeability claim): 7025-01-564-0765. Verify interchangeability with system specifications before substitution.
Key specifications for 743003-1: Contact Operation Sequence: BREAKS BEFORE MAKES; Contact Voltage Rating: 60.0 DC VOLTS MAXIMUM; Contact Arrangement: SINGLE POLE, DOUBLE THROW; Overall Diameter: 1.531 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.