The Relay,electromagnetic, cataloged under National Stock Number 5945-00-813-5138, 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 11 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5945-00-813-5138 |
| Primary Part Number | CR21-1 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — No Item Name Available |
| Manufacturer | Te Connectivity Corporation |
| Status | ACTIVE |
| Mounting Facility Pattern | IN-LINE SINGLE MOUNTING FACILITY |
| Terminal Type and Quantity | 8 THREADED STUD ALL FUNCTIONS |
| Main Contact Load Current Rating at Maximum Rated Voltage | 15.0 AMPERES AC RESISTIVE LOAD |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 1.875 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Winding Quantity | 1 |
| Coil Quantity | 1 |
| Operating Voltage Rating and Type at Specified Temp | 28.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING |
| Duty Type | CONTINUOUS |
| Unthreaded Mounting Hole Diameter | 0.172 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 1.875 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Mounting Facility Type and Quantity | 4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 4B97529-103A | Lockheed Martin Corp (USA) |
| CR21-1 PRIMARY | Te Connectivity Corporation (USA) |
NSN 5945-00-813-5138 is a Relay,electromagnetic, manufactured by Te Connectivity Corporation, classified under FSC 5945 (No Item Name Available). Status: active.
NSN 5945-00-813-5138 has 2 cross-referenced part numbers: 4B97529-103A (Lockheed Martin Corp), CR21-1 (Te Connectivity Corporation).
There is 1 known substitute for 5945-00-813-5138: 5315-00-045-2561. Verify interchangeability with system specifications before substitution.
Key specifications for CR21-1: Mounting Facility Pattern: IN-LINE SINGLE MOUNTING FACILITY; Terminal Type and Quantity: 8 THREADED STUD ALL FUNCTIONS; Overall Width: 2.310 INCHES NOMINAL IN; Main Contact Load Current Rating at Maximum Rated Voltage: 15.0 AMPERES AC RESISTIVE LOAD. 15 total characteristics are documented in the Federal Logistics Information System.