The Chopper,electronic, cataloged under National Stock Number 5945-00-552-7728, 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 24 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5945-00-552-7728 |
| Primary Part Number | 481026-4 |
| 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 |
| Base Type | STANDARD BASE |
| Output/input Voltage Relationship | NOT RATED |
| Terminal Quantity | 1 |
| Terminal Pattern Arrangement | 3/4 IN. APPROXIMATE DIA OF TERMINAL CIRCLE IN |
| Terminal Type | TUBE PLUG |
| Contact Voltage Rating | 500.0 DC VOLTS MAXIMUM |
| Contact Arrangement | SINGLE POLE, DOUBLE THROW |
| Overall Diameter | 1.312 INCHES MAXIMUM IN |
| Drive Voltage Rating | 6.3 AC VOLTS NOMINAL |
| Input Voltage Rating | 1.5 AC MILLIVOLTS NOMINAL |
| Contact Current Rating | 5.0 AMPERES NOMINAL |
| Base Mounting Size Designation | 8 PIN |
| Drive Voltage Relationship to Input Voltage | UNEQUAL |
| Dwell Time Rating in Deg | 140.0 MINIMUM AND 179.0 MAXIMUM |
| Unit Type | ELECTROMECHANICAL |
| Phase Angle in Deg | 140.0 |
| Plug in Mounting Feature | PROVIDED |
| Operating Temp Range | -37.8 TO 100.0 FAHRENHEIT DEGF |
| Base Connection Wiring Style | 8 PIN STANDARD OCTAL TUBE |
| Material | STEEL CASE |
| Drive Current Relationship to Input Current | NOT RATED |
| Hermetically Sealed Feature | PROVIDED |
| 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 |
|---|---|
| 481026-4 PRIMARY | L3 Technologies, Inc. Div Communication Systems-East (USA) |
| HGP-2029 | C P Clare Corporation (USA) |
| Reference | Meaning |
|---|---|
| HGP-2029 | 5/9 Secondary reference Cp Clare Corp North American Sales Operations |
| 481026-4 | 5/9 Secondary reference Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin |
NSN 5945-00-552-7728 is a Chopper,electronic, manufactured by L3 Technologies, Inc. Div Communication Systems-East, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-00-552-7728 has 2 manufacturer part numbers on file: 481026-4 (L3 Technologies, Inc. Div Communication Systems-East), HGP-2029 (C P Clare Corporation).
Key specifications for 481026-4: Contact Operation Sequence: BREAKS BEFORE MAKES; Base Type: STANDARD BASE; Output/input Voltage Relationship: NOT RATED; Terminal Quantity: 1. 24 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.