PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

429-102Relay,electromagnetic

Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · NSN 5945-00-257-8951 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-257-8951 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-257-8951. Primary manufacturer part number: 429-102.
Features
  • Relay,electromagnetic — FSC 5945
  • Nominal Operating Current Rating and Type: 105.0 MILLIAMPERES AC SINGLE WINDING
  • Thread Class: 2B SINGLE MOUNTING FACILITY
  • Operating Voltage Rating and Type at Specified Temp: 115.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING
  • Frequency in Hertz: 60.0 NOMINAL
  • Unthreaded Mounting Hole Diameter: 0.125 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
  • Winding DC Resistance Rating: 102.0 OHMS NOMINAL SINGLE WINDING
  • Main Contact Load Current Rating at Maximum Rated Voltage: 25.0 AMPERES AC RESISTIVE LOAD
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-00-257-8951, 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 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir. Government technical data includes 16 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.

Technical Specifications
ParameterValue
NSN5945-00-257-8951
Primary Part Number429-102
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerUs Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
StatusACTIVE
Nominal Operating Current Rating and Type105.0 MILLIAMPERES AC SINGLE WINDING
Thread Class2B SINGLE MOUNTING FACILITY
Operating Voltage Rating and Type at Specified Temp115.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING
Frequency in Hertz60.0 NOMINAL
Unthreaded Mounting Hole Diameter0.125 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Winding DC Resistance Rating102.0 OHMS NOMINAL SINGLE WINDING
Main Contact Load Current Rating at Maximum Rated Voltage25.0 AMPERES AC RESISTIVE LOAD
Main Contact Maximum Voltage Rating in Volts250.0 AC
Duty TypeCONTINUOUS
Center to Center Distance Between Mounting Facilities Parallel to Width0.563 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Winding Quantity1
Center to Center Distance Between Mounting Facilities Parallel to the Altitude of an Isosceles Triangle4.000 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Mounting Facility PatternTRIANGLE SINGLE MOUNTING FACILITY
Mounting Facility Type and Quantity3 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Nonpile-Up Main Contact Arrangement2 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
Coil Quantity1
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5310-00-740-3910429102 INTERCHANGEABLE
Nut,selflocking
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
2540-01-623-748942910-2 INTERCHANGEABLE
Bracket,vehicular Seat
Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service
Cross-Reference Index
Part NumberManufacturer
429-102 PRIMARY Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
K41486TYPE131-642M0DIFIED PRIMARY Ward Leonard Ct Llc (USA)
K41486TYPE131-642 Ward Leonard Ct Llc (USA)
Related Parts
5310-00-740-3910INTERCHANGEABLE
NUT,SELFLOCKING
429102
2540-01-623-7489INTERCHANGEABLE
BRACKET,VEHICULAR SEAT
42910-2

Frequently Asked Questions

What is NSN 5945-00-257-8951?

NSN 5945-00-257-8951 is a Relay,electromagnetic, manufactured by Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-00-257-8951?

NSN 5945-00-257-8951 has 3 cross-referenced part numbers: 429-102 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), K41486TYPE131-642M0DIFIED (Ward Leonard Ct Llc), K41486TYPE131-642 (Ward Leonard Ct Llc).

What NSN replaces 5945-00-257-8951?

There are 2 known substitutes for 5945-00-257-8951: 5310-00-740-3910, 2540-01-623-7489. Verify interchangeability with system specifications before substitution.

What are the specifications of 429-102?

Key specifications for 429-102: Overall Width: 1.620 INCHES NOMINAL IN; Nominal Operating Current Rating and Type: 105.0 MILLIAMPERES AC SINGLE WINDING; Thread Class: 2B SINGLE MOUNTING FACILITY; Operating Voltage Rating and Type at Specified Temp: 115.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING. 20 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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