The Relay,electromagnetic, cataloged under National Stock Number 5945-00-259-6750, 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 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5945-00-259-6750 |
| Primary Part Number | MT1238 |
| Item Name | Relay,electromagnetic |
| FSC / FSG | 5945 / 59 — No Item Name Available |
| Manufacturer | Te Connectivity Corporation |
| Status | ACTIVE |
| Nominal Operating Current Rating and Type | 12.6 MILLIAMPERES DC SINGLE WINDING |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY |
| Main Contact Load Current Rating at Maximum Rated Voltage | 1.0 AMPERES AC RESISTIVE LOAD |
| Nominal Thread Size | 0.138 INCHES SINGLE MOUNTING FACILITY IN |
| Terminal Type and Quantity | 4 PIN ALL FUNCTIONS |
| Winding DC Resistance Rating | 9.5 KILOHMS NOMINAL SINGLE WINDING |
| Center to Center Distance Between Mounting Facilities Parallel to the Altitude of an Isosceles Triangle | 1.187 INCHES NOMINAL SINGLE MOUNTING FACILITY IN |
| Coil Quantity | 1 |
| Mounting Facility Type and Quantity | 3 THREADED STUD(S) SINGLE MOUNTING FACILITY |
| Duty Type | CONTINUOUS |
| Mounting Facility Pattern | TRIANGLE SINGLE MOUNTING FACILITY |
| Winding Quantity | 1 |
| Main Contact Maximum Voltage Rating in Volts | 115.0 AC |
| Thread Quantity Per Inch | 32 SINGLE MOUNTING FACILITY |
| Environmental Protection | HERMETIC |
| Operating Voltage Rating and Type at Specified Temp | 120.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING |
| Thread Class | 2A SINGLE MOUNTING FACILITY A |
| Nonpile-Up Main Contact Arrangement | 1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5945-00-259-6750 is a Relay,electromagnetic, manufactured by Te Connectivity Corporation, classified under FSC 5945 (No Item Name Available). Status: active.
NSN 5945-00-259-6750 has 3 cross-referenced part numbers: MT1238 (Te Connectivity Corporation), MH4072 (Te Connectivity Corporation), 413503 (Honeywell International Inc. Dba Honeywell International Div Aerospace-Minneapolis).
There are 2 known substitutes for 5945-00-259-6750: 5990-00-253-0261, 6685-01-262-4845. Verify interchangeability with system specifications before substitution.
Key specifications for MT1238: Nominal Operating Current Rating and Type: 12.6 MILLIAMPERES DC SINGLE WINDING; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY; Main Contact Load Current Rating at Maximum Rated Voltage: 1.0 AMPERES AC RESISTIVE LOAD; Nominal Thread Size: 0.138 INCHES SINGLE MOUNTING FACILITY IN. 21 total characteristics are documented in the Federal Logistics Information System.