The Relay,electromagnetic, cataloged under National Stock Number 5945-01-278-3379, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Time Mark Corp. Government technical data includes 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5945-01-278-3379 |
| Primary Part Number | C264MODIFIED340-440V |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Time Mark Corp |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY |
| FSC Application Data | RELAYS,SOLENOIDS |
| Main Contact Maximum Voltage Rating in Volts | 240.0 AC AND 28.0 DC |
| Mounting Facility Pattern | RECTANGULAR SINGLE MOUNTING FACILITY |
| Main Contact Load Current Rating at Maximum Rated Voltage | 10.0 AMPERES AC AND 15.0 AMPERES DC RESISTIVE LOAD |
| Main Contact Load Current Rating at Maximum Rated Voltage | 2.0 AMPERES AC INDUCTIVE LOAD |
| Duty Type | CONTINUOUS |
| Frequency in Hertz | 60.0 NOMINAL |
| Operating Voltage Rating and Type at Specified Temp | 480.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING |
| Auxiliary Contact Maximum Voltage Rating in Volts | 520.0 AC |
| 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 |
|---|---|
| C264MODIFIED340-440V PRIMARY | Time Mark Corp (USA) |
| Reference | Meaning |
|---|---|
| C264480 | 5/9 Secondary reference Challenger Electrical Equipment Corp |
| C264480 | C/1 Advisory reference — outside the item-of-supply concept Time Mark Corp |
NSN 5945-01-278-3379 is a Relay,electromagnetic, manufactured by Time Mark Corp, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-01-278-3379 has 1 manufacturer part number on file: C264MODIFIED340-440V (Time Mark Corp).
Key specifications for C264MODIFIED340-440V: Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY; Overall Height: 3.380 INCHES NOMINAL IN; FSC Application Data: RELAYS,SOLENOIDS; Main Contact Maximum Voltage Rating in Volts: 240.0 AC AND 28.0 DC. 10 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.