The Relay,electromagnetic, cataloged under National Stock Number 5945-01-101-6089, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Ross Engineering Corporation Dba Ross Engineering Corp. Government technical data includes 20 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5945-01-101-6089 |
| Primary Part Number | ES-12-DT-12-0-0 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Ross Engineering Corporation Dba Ross Engineering Corp |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 4 THREADED HOLE(S) SINGLE MOUNTING FACILITY |
| Main Contact Maximum Voltage Rating in Volts | 12000.0 AC |
| Mounting Facility Pattern | RECTANGULAR SINGLE MOUNTING FACILITY |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 1.000 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Main Contact Load Current Rating at Maximum Rated Voltage | 35.0 AMPERES AC RESISTIVE LOAD |
| Duty Type | CONTINUOUS |
| Frequency in Hertz | 60.0 NOMINAL |
| Nominal Operating Current Rating and Type | 800.0 MILLIAMPERES AC SINGLE WINDING |
| Nominal Thread Size | 0.203 INCHES SINGLE MOUNTING FACILITY IN |
| Time Delay | 0.025 SECONDS MAXIMUM FIXED OPERATE TIME |
| Time Delay | 0.050 SECONDS MAXIMUM FIXED RELEASE TIME |
| Coil Quantity | 1 |
| Winding Quantity | 1 |
| Operating Voltage Rating and Type at Specified Temp | 115.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 1.000 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Thread Class | 2B SINGLE MOUNTING FACILITY |
| Terminal Type and Quantity | 2 TAB, SOLDER LUG ENERGIZING ELEMENT |
| Terminal Type and Quantity | 6 THREADED STUD CONTACTS |
| Nonpile-Up Main Contact Arrangement | 2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY |
| Thread Series Designator | UNS SINGLE MOUNTING FACILITY |
| 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 |
|---|---|
| ES-12-DT-12-0-0 PRIMARY | Ross Engineering Corporation Dba Ross Engineering Corp (USA) |
| Reference | Meaning |
|---|---|
| ES-12-DT | 5/9 Secondary reference Ross Engineering Corporation Dba Ross Engineering Corp |
NSN 5945-01-101-6089 is a Relay,electromagnetic, manufactured by Ross Engineering Corporation Dba Ross Engineering Corp, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-01-101-6089 has 1 manufacturer part number on file: ES-12-DT-12-0-0 (Ross Engineering Corporation Dba Ross Engineering Corp).
Key specifications for ES-12-DT-12-0-0: Mounting Facility Type and Quantity: 4 THREADED HOLE(S) SINGLE MOUNTING FACILITY; Overall Height: 3.860 INCHES NOMINAL IN; Main Contact Maximum Voltage Rating in Volts: 12000.0 AC; Mounting Facility Pattern: RECTANGULAR SINGLE MOUNTING FACILITY. 20 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.