The Relay,electromagnetic, cataloged under National Stock Number 5945-01-214-0634, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5945-01-214-0634 |
| Primary Part Number | 3T0689 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 1 PLUG-IN TERMINAL(S) SINGLE MOUNTING FACILITY |
| Main Contact Maximum Voltage Rating in Volts | 24.0 DC |
| Fragility Factor | MODERATELY RUGGED |
| Arc Quenching Method | AIR |
| Main Contact Load Current Rating at Maximum Rated Voltage | 25.0 AMPERES DC RESISTIVE LOAD |
| Duty Type | CONTINUOUS |
| Storage Type | GENERAL PURPOSE WAREHOUSE |
| Coil Quantity | 1 |
| Environmental Protection | HERMETIC |
| Cubic Measure | 8828.7 CUBIC CENTIMETERS |
| Winding Quantity | 1 |
| Operating Voltage Rating and Type at Specified Temp | 24.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING |
| Terminal Type and Quantity | 4 TAB, SOLDER LUG ALL FUNCTIONS |
| Nonpile-Up Main Contact Arrangement | 1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION |
| 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 |
|---|---|
| 3T0689 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
| Reference | Meaning |
|---|---|
| PH-13 | 5/9 Secondary reference Tonemaster Electronics Co |
NSN 5945-01-214-0634 is a Relay,electromagnetic, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-01-214-0634 has 1 manufacturer part number on file: 3T0689 (Caterpillar Inc Div Caterpillar Defense).
Key specifications for 3T0689: Mounting Facility Type and Quantity: 1 PLUG-IN TERMINAL(S) SINGLE MOUNTING FACILITY; Overall Height: 46.5 MILLIMETERS MAXIMUM MM; Main Contact Maximum Voltage Rating in Volts: 24.0 DC; Fragility Factor: MODERATELY RUGGED. 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.