PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

271-1144P5Relay,electromagnetic

Raytheon Company Div Corp · NSN 5945-00-258-3085 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-258-3085 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-258-3085. Primary manufacturer part number: 271-1144P5.
Features
  • Relay,electromagnetic — FSC 5945
  • Frequency in Hertz: 60.0 NOMINAL
  • Operating Voltage Rating and Type at Specified Temp: 115.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING
  • Main Contact Load Current Rating at Maximum Rated Voltage: 2.5 AMPERES DC RESISTIVE LOAD
  • Nominal Thread Size: 0.164 INCHES SINGLE MOUNTING FACILITY IN
  • Mounting Facility Pattern: RECTANGULAR SINGLE MOUNTING FACILITY
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 0.500 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
  • Main Contact Maximum Voltage Rating in Volts: 32.0 DC
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-00-258-3085, 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 Raytheon Company Div Corp. Government technical data includes 19 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-00-258-3085
Primary Part Number271-1144P5
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerRaytheon Company Div Corp
StatusACTIVE
Frequency in Hertz60.0 NOMINAL
Operating Voltage Rating and Type at Specified Temp115.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING
Main Contact Load Current Rating at Maximum Rated Voltage2.5 AMPERES DC RESISTIVE LOAD
Nominal Thread Size0.164 INCHES SINGLE MOUNTING FACILITY IN
Mounting Facility PatternRECTANGULAR SINGLE MOUNTING FACILITY
Center to Center Distance Between Mounting Facilities Parallel to Width0.500 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Main Contact Maximum Voltage Rating in Volts32.0 DC
Time Delay0.10 SECONDS MINIMUM AND 300.00 SECONDS MAXIMUM ADJUSTABLE OPERATE TIME
Nonpile-Up Main Contact Arrangement2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Terminal Type and Quantity8 PIN ALL FUNCTIONS
Thread Class2B SINGLE MOUNTING FACILITY
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Coil Quantity1
Winding Quantity1
Mounting Facility Type and Quantity4 THREADED HOLE(S) SINGLE MOUNTING FACILITY
Center to Center Distance Between Mounting Facilities Parallel to Length1.750 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Duty TypeINTERMITTENT
Winding DC Resistance Rating2.211 KILOHMS NOMINAL SINGLE WINDING
Nominal Operating Current Rating and Type520.0 MILLIAMPERES AC SINGLE WINDING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5955-00-953-3263SM-B-530013 INTERCHANGEABLE
Crystal Unit,quartz
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
3120-01-104-5989MS14104-12 INTERCHANGEABLE
Bearing,plain,self-Aligning
Sae International Dba Sae International
Cross-Reference Index
Part NumberManufacturer
NE12 Te Connectivity Corporation (USA)
271-1144P5 PRIMARY Raytheon Company Div Corp (USA)
Related Parts
5955-00-953-3263INTERCHANGEABLE
CRYSTAL UNIT,QUARTZ
SM-B-530013
3120-01-104-5989INTERCHANGEABLE
BEARING,PLAIN,SELF-ALIGNING
MS14104-12

Frequently Asked Questions

What is NSN 5945-00-258-3085?

NSN 5945-00-258-3085 is a Relay,electromagnetic, manufactured by Raytheon Company Div Corp, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-00-258-3085?

NSN 5945-00-258-3085 has 2 cross-referenced part numbers: NE12 (Te Connectivity Corporation), 271-1144P5 (Raytheon Company Div Corp).

What NSN replaces 5945-00-258-3085?

There are 2 known substitutes for 5945-00-258-3085: 5955-00-953-3263, 3120-01-104-5989. Verify interchangeability with system specifications before substitution.

What are the specifications of 271-1144P5?

Key specifications for 271-1144P5: Frequency in Hertz: 60.0 NOMINAL; Operating Voltage Rating and Type at Specified Temp: 115.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING; Main Contact Load Current Rating at Maximum Rated Voltage: 2.5 AMPERES DC RESISTIVE LOAD; Nominal Thread Size: 0.164 INCHES SINGLE MOUNTING FACILITY IN. 22 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com