The Relay,electromagnetic, cataloged under National Stock Number 5945-00-180-3747, is classified within Federal Supply Class 5945 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Guardian Electric Manufacturing Co Div Guardian Electric Mfg Co. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5945-00-180-3747 |
| Primary Part Number | 640U-2C-240A |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — No Item Name Available |
| Manufacturer | Guardian Electric Manufacturing Co Div Guardian Electric Mfg Co |
| Status | CANCELLED |
| Main Contact Load Current Rating at Maximum Rated Voltage | 10.0 AMPERES AC RESISTIVE LOAD |
| Operating Voltage Rating and Type at Specified Temp | 240.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY |
| Frequency in Hertz | 60.0 NOMINAL |
| Nominal Thread Size | 0.164 INCHES SINGLE MOUNTING FACILITY IN |
| Coil Quantity | 1 |
| Winding DC Resistance Rating | 2.95 KILOHMS NOMINAL SINGLE WINDING |
| Nonpile-Up Main Contact Arrangement | 2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY |
| Terminal Type and Quantity | 8 PIN ALL FUNCTIONS |
| Winding Quantity | 1 |
| Duty Type | CONTINUOUS |
| Main Contact Maximum Voltage Rating in Volts | 120.0 AC |
| Mounting Facility Type and Quantity | 1 THREADED STUD(S) SINGLE MOUNTING FACILITY |
| Thread Class | 2A SINGLE MOUNTING FACILITY A |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 4-5175 | Bacharach, Inc. (USA) |
| 640U-2C-240A PRIMARY | Guardian Electric Manufacturing Co Div Guardian Electric Mfg Co (USA) |
| 500G | Electronic Controls Corporation (USA) |
| IR640U2C230A | Guardian Electric Manufacturing Co Div Guardian Electric Mfg Co (USA) |
| 8839 | Bacharach, Inc. (USA) |
NSN 5945-00-180-3747 is a Relay,electromagnetic, manufactured by Guardian Electric Manufacturing Co Div Guardian Electric Mfg Co, classified under FSC 5945 (No Item Name Available). Status: cancelled.
NSN 5945-00-180-3747 has 5 cross-referenced part numbers: 4-5175 (Bacharach, Inc.), 640U-2C-240A (Guardian Electric Manufacturing Co Div Guardian Electric Mfg Co), 500G (Electronic Controls Corporation), IR640U2C230A (Guardian Electric Manufacturing Co Div Guardian Electric Mfg Co), 8839 (Bacharach, Inc.).
There are 11 known substitutes for 5945-00-180-3747: 6625-00-034-6333, 4810-00-163-0475, 6105-00-241-5864 and 8 more. Verify interchangeability with system specifications before substitution.
Key specifications for 640U-2C-240A: Main Contact Load Current Rating at Maximum Rated Voltage: 10.0 AMPERES AC RESISTIVE LOAD; Operating Voltage Rating and Type at Specified Temp: 240.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY; Frequency in Hertz: 60.0 NOMINAL. 17 total characteristics are documented in the Federal Logistics Information System.
NSN 5945-00-180-3747 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.