The Relay,electromagnetic, cataloged under National Stock Number 5945-00-666-4662, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp. Government technical data includes 11 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5945-00-666-4662 |
| Primary Part Number | G4028 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 1 TERMINAL SINGLE MOUNTING FACILITY |
| Pile-Up Main Contact Form Arrangement | 4C |
| Main Contact Maximum Voltage Rating in Volts | 115.0 AC |
| Main Contact Load Current Rating at Maximum Rated Voltage | 10.0 AMPERES AC INDUCTIVE LOAD |
| Duty Type | CONTINUOUS |
| Winding DC Resistance Rating | 215.0 OHMS NOMINAL SINGLE WINDING |
| Coil Quantity | 1 |
| Environmental Protection | HERMETIC |
| Winding Quantity | 1 |
| Operating Voltage Rating and Type at Specified Temp | 28.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING |
| Terminal Type and Quantity | 14 WIRE HOOK ALL FUNCTIONS |
| 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 |
|---|---|
| G4028 PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
| Reference | Meaning |
|---|---|
| 64-321 | 5/9 Secondary reference Lockheed Electronics Co Inc Information Engineering Div |
| TMBH-1747 | 5/9 Secondary reference Precision Switching Inc |
NSN 5945-00-666-4662 is a Relay,electromagnetic, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-00-666-4662 has 1 manufacturer part number on file: G4028 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).
1 possible match (shared part number, not a government interchangeability claim): 3950-01-459-9471. Verify interchangeability with system specifications before substitution.
Key specifications for G4028: Mounting Facility Type and Quantity: 1 TERMINAL SINGLE MOUNTING FACILITY; Overall Height: 2.709 INCHES MINIMUM AND 2.719 INCHES MAXIMUM IN; Pile-Up Main Contact Form Arrangement: 4C; Main Contact Maximum Voltage Rating in Volts: 115.0 AC. 11 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.