The Relay,electromagnetic, cataloged under National Stock Number 5945-01-052-7357, 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 15 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5945-01-052-7357 |
| Primary Part Number | 253 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Time Mark Corp |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 1 PLUG-IN TERMINAL(S) SINGLE MOUNTING FACILITY |
| Fragility Factor | MODERATELY RUGGED |
| Arc Quenching Method | AIR |
| Main Contact Load Current Rating at Maximum Rated Voltage | 5.0 AMPERES AC RESISTIVE LOAD |
| Duty Type | CONTINUOUS |
| Storage Type | GENERAL PURPOSE WAREHOUSE |
| Frequency in Hertz | 60.0 NOMINAL |
| Coil Quantity | 1 |
| Environmental Protection | DUSTPROOF |
| Cubic Measure | 11.406 CUBIC INCHES |
| Winding Quantity | 1 |
| Operating Voltage Rating and Type at Specified Temp | 440.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING |
| Terminal Type and Quantity | 8 PIN ALL FUNCTIONS |
| Nonpile-Up Main Contact Arrangement | 1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY |
| Purpose for Which Designed | GENERAL |
| 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 |
|---|---|
| 253 PRIMARY | Time Mark Corp (USA) |
| Reference | Meaning |
|---|---|
| 17-3-3483-1 | 7/2 Vendor item drawing reference U.S. Government activity |
| 47218 | 5/9 Secondary reference Controller Service and Sales Co Inc |
| 251 | 5/9 Secondary reference Time Mark Corp |
| 5945PL0631524 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 8223788-01 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5945-01-052-7357 is a Relay,electromagnetic, manufactured by Time Mark Corp, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-01-052-7357 has 1 manufacturer part number on file: 253 (Time Mark Corp).
Key specifications for 253: Mounting Facility Type and Quantity: 1 PLUG-IN TERMINAL(S) SINGLE MOUNTING FACILITY; Overall Height: 2.750 INCHES NOMINAL IN; Fragility Factor: MODERATELY RUGGED; Arc Quenching Method: AIR. 15 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.