The Relay,electromagnetic, cataloged under National Stock Number 5945-00-079-0381, 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 Te Connectivity Corporation. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5945-00-079-0381 |
| Primary Part Number | 21-019 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — No Item Name Available |
| Manufacturer | Te Connectivity Corporation |
| Status | ACTIVE |
| Operating Voltage Rating and Type at Specified Temp | 450.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING |
| Main Contact Maximum Voltage Rating in Volts | 120.0 AC AND 28.0 DC |
| Mounting Facility Type and Quantity | 4 THREADED STUD(S) SINGLE MOUNTING FACILITY |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 2.125 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 2.625 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Thread Class | 2A SINGLE MOUNTING FACILITY A |
| Main Contact Load Current Rating at Maximum Rated Voltage | 2.0 AMPERES AC AND 2.0 AMPERES DC RESISTIVE LOAD |
| Nominal Thread Size | 0.164 INCHES SINGLE MOUNTING FACILITY IN |
| Thread Quantity Per Inch | 32 SINGLE MOUNTING FACILITY |
| Mounting Facility Pattern | RECTANGULAR SINGLE MOUNTING FACILITY |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY |
| Duty Type | CONTINUOUS |
| Winding Quantity | 1 |
| Environmental Protection | DUSTPROOF |
| Coil Quantity | 1 |
| Terminal Type and Quantity | 7 SCREW ALL FUNCTIONS |
| Frequency in Hertz | 60.0 NOMINAL |
| Nonpile-Up Main Contact Arrangement | 1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY AND 1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5945-00-079-0381 is a Relay,electromagnetic, manufactured by Te Connectivity Corporation, classified under FSC 5945 (No Item Name Available). Status: active.
NSN 5945-00-079-0381 has 2 cross-referenced part numbers: 300S-1 (Te Connectivity Corporation), 21-019 (Te Connectivity Corporation).
There are 12 known substitutes for 5945-00-079-0381: 3930-00-134-9353, 5930-00-190-6201, 5945-00-199-5678 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 21-019: Operating Voltage Rating and Type at Specified Temp: 450.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING; Main Contact Maximum Voltage Rating in Volts: 120.0 AC AND 28.0 DC; Mounting Facility Type and Quantity: 4 THREADED STUD(S) SINGLE MOUNTING FACILITY; Center to Center Distance Between Mounting Facilities Parallel to Width: 2.125 INCHES NOMINAL SINGLE MOUNTING FACILITY IN. 22 total characteristics are documented in the Federal Logistics Information System.