PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

T154-4C12DCRelay,electromagnetic

Allied Controls, Inc. · NSN 5945-00-905-3934 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-905-3934 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-905-3934. Primary manufacturer part number: T154-4C12DC.
Features
  • Relay,electromagnetic — FSC 5945
  • Operating Voltage Rating and Type at Specified Temp: 12.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
  • Cubic Measure: 1.169 CUBIC INCHES
  • Nonpile-Up Main Contact Arrangement: 4 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
  • Main Contact Maximum Voltage Rating in Volts: 115.0 AC AND 24.0 DC
  • Winding Quantity: 1
  • Mounting Facility Type and Quantity: 1 THREADED STUD(S) SINGLE MOUNTING FACILITY
  • Environmental Protection: DUSTPROOF
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
  • Applications requiring Plastic Case construction
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-00-905-3934, 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 Allied Controls, Inc.. Government technical data includes 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-00-905-3934
Primary Part NumberT154-4C12DC
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerAllied Controls, Inc.
StatusACTIVE
Operating Voltage Rating and Type at Specified Temp12.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Cubic Measure1.169 CUBIC INCHES
Nonpile-Up Main Contact Arrangement4 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Main Contact Maximum Voltage Rating in Volts115.0 AC AND 24.0 DC
Winding Quantity1
Mounting Facility Type and Quantity1 THREADED STUD(S) SINGLE MOUNTING FACILITY
Environmental ProtectionDUSTPROOF
Fragility FactorMODERATELY RUGGED
Nominal Thread Size0.099 INCHES SINGLE MOUNTING FACILITY IN
Coil Quantity1
Time Delay0.008 SECONDS MAXIMUM FIXED RELEASE TIME
Thread Class2A SINGLE MOUNTING FACILITY A
Main Contact Load Current Rating at Maximum Rated Voltage1.0 AMPERES AC AND 2.0 AMPERES DC RESISTIVE LOAD
Thread DirectionRIGHT-HAND SINGLE MOUNTING FACILITY
Purpose for Which DesignedGENERAL
MaterialPLASTIC CASE
Winding DC Resistance Rating185.0 OHMS NOMINAL SINGLE WINDING
Storage TypeGENERAL PURPOSE WAREHOUSE
Terminal Type and Quantity14 TAB, SOLDER LUG ALL FUNCTIONS
Thread Quantity Per Inch48 SINGLE MOUNTING FACILITY
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Time Delay0.015 SECONDS MAXIMUM FIXED OPERATE TIME
Nominal Operating Current Rating and Type65.0 MILLIAMPERES DC SINGLE WINDING
Duty TypeCONTINUOUS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
2920-00-364-5227A2066 INTERCHANGEABLE
Drive,engine Starte
Purolator Products Co Div Motor Components, Llc
3120-00-489-40538735523 INTERCHANGEABLE
Bearing,sleeve
U S Army Tank Automotive Command Amsta-Im-Mm
4330-00-973-3909A2066 INTERCHANGEABLE
Filter Element,fluid
Kaydon Custom Filtration Corporation
Cross-Reference Index
Part NumberManufacturer
N151K7001 National Weather Service Dba National Weather Service Ohd1 Div Office of Operational Systems (USA)
54987-1 Digital Development Corp Hawthorne Div (USA)
VP4CAA12PA Cp Clare Corp North American Sales Operations (USA)
A2066 Stellant Systems Inc (USA)
T154-4C12DC PRIMARY Allied Controls, Inc. (USA)
T154-4C185-12VDC Allied Controls, Inc. (USA)
Related Parts
2920-00-364-5227INTERCHANGEABLE
DRIVE,ENGINE STARTE
A2066
3120-00-489-4053INTERCHANGEABLE
BEARING,SLEEVE
8735523
4330-00-973-3909INTERCHANGEABLE
FILTER ELEMENT,FLUID
A2066

Frequently Asked Questions

What is NSN 5945-00-905-3934?

NSN 5945-00-905-3934 is a Relay,electromagnetic, manufactured by Allied Controls, Inc., classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-00-905-3934?

NSN 5945-00-905-3934 has 6 cross-referenced part numbers: N151K7001 (National Weather Service Dba National Weather Service Ohd1 Div Office of Operational Systems), 54987-1 (Digital Development Corp Hawthorne Div), VP4CAA12PA (Cp Clare Corp North American Sales Operations), A2066 (Stellant Systems Inc), T154-4C12DC (Allied Controls, Inc.) and 1 more.

What NSN replaces 5945-00-905-3934?

There are 3 known substitutes for 5945-00-905-3934: 2920-00-364-5227, 3120-00-489-4053, 4330-00-973-3909. Verify interchangeability with system specifications before substitution.

What are the specifications of T154-4C12DC?

Key specifications for T154-4C12DC: Operating Voltage Rating and Type at Specified Temp: 12.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING; Cubic Measure: 1.169 CUBIC INCHES; Nonpile-Up Main Contact Arrangement: 4 POLE, DOUBLE THROW, ONE POSITION MOMENTARY; Main Contact Maximum Voltage Rating in Volts: 115.0 AC AND 24.0 DC. 27 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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