PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

31186Relay,electromagnetic

Forenta Lp · NSN 5945-01-053-1174 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-01-053-1174 — this item is cataloged by the U.S. Government under National Stock Number 5945-01-053-1174. Primary manufacturer part number: 31186.
Features
  • Relay,electromagnetic — FSC 5945
  • Main Contact Maximum Voltage Rating in Volts: 125.0 AC
  • Coil Quantity: 1
  • Time Delay: 4.00 SECONDS NOMINAL FIXED OPERATE TIME
  • Main Contact Load Current Rating at Maximum Rated Voltage: 1.5 AMPERES AC RESISTIVE LOAD
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
  • Thread Class: 2B SINGLE MOUNTING FACILITY
  • Operating Voltage Rating and Type at Specified Temp: 115.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-01-053-1174, 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 Forenta Lp. Government technical data includes 16 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-01-053-1174
Primary Part Number31186
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerForenta Lp
StatusACTIVE
Main Contact Maximum Voltage Rating in Volts125.0 AC
Coil Quantity1
Time Delay4.00 SECONDS NOMINAL FIXED OPERATE TIME
Main Contact Load Current Rating at Maximum Rated Voltage1.5 AMPERES AC RESISTIVE LOAD
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Thread Class2B SINGLE MOUNTING FACILITY
Operating Voltage Rating and Type at Specified Temp115.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING
Mounting Facility PatternIN-LINE SINGLE MOUNTING FACILITY
Winding Quantity1
Frequency in Hertz50.0 MINIMUM AND 60.0 MAXIMUM
Nominal Thread Size0.138 INCHES SINGLE MOUNTING FACILITY IN
Terminal Type and Quantity5 PIN ALL FUNCTIONS
Nonpile-Up Main Contact Arrangement1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Duty TypeCONTINUOUS
Mounting Facility Type and Quantity2 THREADED HOLE(S) SINGLE MOUNTING FACILITY
Center to Center Distance Between Mounting Facilities Parallel to Length2.188 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5136-00-189-3198402324 INTERCHANGEABLE
Die,thread Cutting
Greenfield Industries Inc
4730-00-218-578731186-1 INTERCHANGEABLE
Bolt,fluid Passage
Arvinmeritor Inc
5305-00-371-179331186 INTERCHANGEABLE
Screw,machine
Barksdale, Inc
2510-00-734-27307342730 INTERCHANGEABLE
Spring Assembly,leaf
U S Army Tank Automotive Command Amsta-Im-Mm
4320-01-111-410431186 INTERCHANGEABLE
Valve,suction
Gardner Denver Water Jetting Systems, Inc. Div Engineered Package Group
6145-01-118-74699410 INTERCHANGEABLE
Cable,power,electrical
Belden Wire & Cable Company Llc Dba Belden Cdt Electronics Division
3020-01-132-2317 INTERCHANGEABLE
Gear,internal,assembly
Cross-Reference Index
Part NumberManufacturer
84TD-902 Emerson Electric Co White-Rodgers Div (USA)
31186 PRIMARY Forenta Lp (USA)
Related Parts
5136-00-189-3198INTERCHANGEABLE
DIE,THREAD CUTTING
402324
4730-00-218-5787INTERCHANGEABLE
BOLT,FLUID PASSAGE
31186-1
5305-00-371-1793INTERCHANGEABLE
SCREW,MACHINE
31186
2510-00-734-2730INTERCHANGEABLE
SPRING ASSEMBLY,LEAF
7342730
4320-01-111-4104INTERCHANGEABLE
VALVE,SUCTION
31186
6145-01-118-7469INTERCHANGEABLE
CABLE,POWER,ELECTRICAL
9410
3020-01-132-2317INTERCHANGEABLE
GEAR,INTERNAL,ASSEMBLY

Frequently Asked Questions

What is NSN 5945-01-053-1174?

NSN 5945-01-053-1174 is a Relay,electromagnetic, manufactured by Forenta Lp, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-01-053-1174?

NSN 5945-01-053-1174 has 2 cross-referenced part numbers: 84TD-902 (Emerson Electric Co White-Rodgers Div), 31186 (Forenta Lp).

What NSN replaces 5945-01-053-1174?

There are 7 known substitutes for 5945-01-053-1174: 5136-00-189-3198, 4730-00-218-5787, 5305-00-371-1793 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 31186?

Key specifications for 31186: Overall Width: 2.250 INCHES NOMINAL IN; Main Contact Maximum Voltage Rating in Volts: 125.0 AC; Coil Quantity: 1; Time Delay: 4.00 SECONDS NOMINAL FIXED OPERATE TIME. 19 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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