The Relay,electromagnetic, cataloged under National Stock Number 5945-00-974-7920, 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 Metron Instruments Inc Custom Built Controls Div. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5945-00-974-7920 |
| Primary Part Number | EFU |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — No Item Name Available |
| Manufacturer | Metron Instruments Inc Custom Built Controls Div |
| Status | ACTIVE |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 3.375 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Terminal Type and Quantity | 5 PIN ALL FUNCTIONS |
| Nonpile-Up Main Contact Arrangement | 1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY |
| Mounting Facility Pattern | IN-LINE SINGLE MOUNTING FACILITY |
| Main Contact Maximum Voltage Rating in Volts | 120.0 AC AND 120.0 DC |
| Unthreaded Mounting Hole Diameter | 0.250 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Operating Voltage Rating and Type at Specified Temp | 115.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING |
| Winding Quantity | 1 |
| Main Contact Load Current Rating at Maximum Rated Voltage | 3.0 AMPERES AC AND 3.0 AMPERES DC RESISTIVE LOAD |
| Mounting Facility Type and Quantity | 2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY |
| Coil Quantity | 1 |
| Duty Type | CONTINUOUS |
| Frequency in Hertz | 60.0 NOMINAL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5945-00-974-7920 is a Relay,electromagnetic, manufactured by Metron Instruments Inc Custom Built Controls Div, classified under FSC 5945 (No Item Name Available). Status: active.
NSN 5945-00-974-7920 has 2 cross-referenced part numbers: EFU (Metron Instruments Inc Custom Built Controls Div), 22-655 (Teledyne Industries Inc Teledyne Fluid Systems Republic Business Unit).
There are 9 known substitutes for 5945-00-974-7920: 5995-00-553-0656, 5310-00-741-6875, 5945-00-855-4656 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for EFU: Center to Center Distance Between Mounting Facilities Parallel to Length: 3.375 INCHES NOMINAL SINGLE MOUNTING FACILITY IN; Overall Length: 4.000 INCHES NOMINAL IN; Overall Height: 3.060 INCHES NOMINAL IN; Terminal Type and Quantity: 5 PIN ALL FUNCTIONS. 16 total characteristics are documented in the Federal Logistics Information System.