The Relay,electromagnetic, cataloged under National Stock Number 5945-01-188-6870, is classified within Federal Supply Class 5945 (Relays and Solenoids) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Nault Robert Dba Tdr Electronics. Government technical data includes 19 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5945-01-188-6870 |
| Primary Part Number | TDRA949 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — Relays and Solenoids |
| Manufacturer | Nault Robert Dba Tdr Electronics |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 4 THREADED STUD(S) SINGLE MOUNTING FACILITY |
| Main Contact Maximum Voltage Rating in Volts | 30.0 DC |
| Mounting Facility Pattern | RECTANGULAR SINGLE MOUNTING FACILITY |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 0.875 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Main Contact Load Current Rating at Maximum Rated Voltage | 4.0 AMPERES DC RESISTIVE LOAD |
| Duty Type | CONTINUOUS |
| Thread Direction | RIGHT-HAND SINGLE MOUNTING FACILITY |
| Nominal Thread Size | 0.112 INCHES SINGLE MOUNTING FACILITY IN |
| Time Delay | 10.00 SECONDS NOMINAL ADJUSTABLE OPERATE TIME |
| Coil Quantity | 1 |
| Environmental Protection | HERMETIC |
| Winding Quantity | 1 |
| Operating Voltage Rating and Type at Specified Temp | 125.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 0.625 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Thread Class | 2A SINGLE MOUNTING FACILITY A |
| Thread Quantity Per Inch | 40 SINGLE MOUNTING FACILITY |
| Terminal Type and Quantity | 8 WIRE HOOK ALL FUNCTIONS |
| Nonpile-Up Main Contact Arrangement | 2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) 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 |
|---|---|
| TDRA949 PRIMARY | Nault Robert Dba Tdr Electronics (USA) |
| Reference | Meaning |
|---|---|
| 1652-A-1002 | 5/9 Secondary reference Hi-G Co Inc Sub of Nytronics Inc |
NSN 5945-01-188-6870 is a Relay,electromagnetic, manufactured by Nault Robert Dba Tdr Electronics, classified under FSC 5945, Relays and Solenoids. Status: active.
NSN 5945-01-188-6870 has 1 manufacturer part number on file: TDRA949 (Nault Robert Dba Tdr Electronics).
Key specifications for TDRA949: Mounting Facility Type and Quantity: 4 THREADED STUD(S) SINGLE MOUNTING FACILITY; Overall Height: 2.458 INCHES MAXIMUM IN; Main Contact Maximum Voltage Rating in Volts: 30.0 DC; Mounting Facility Pattern: RECTANGULAR SINGLE MOUNTING FACILITY. 19 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.