PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS27743-24Relay,electromagnetic

Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M · NSN 5945-01-167-5956 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-01-167-5956 — this item is cataloged by the U.S. Government under National Stock Number 5945-01-167-5956. Primary manufacturer part number: MS27743-24.
Features
  • Relay,electromagnetic — FSC 5945
  • Duty Type: CONTINUOUS
  • Environmental Protection: HERMETIC
  • Coil Quantity: 1
  • Specification/standard Data: 96906-MS27743 GOVERNMENT STANDARD
  • Center to Center Distance Between Mounting Facilities Parallel to the Altitude of an Isosceles Triangle: 1.446 INCHES MAXIMUM SINGLE MOUNTING FACILITY IN
  • Time Delay: 0.015 SECONDS MAXIMUM FIXED OPERATE AND RELEASE TIME
  • Main Contact Maximum Voltage Rating in Volts: 115.0 AC AND 28.0 DC
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-01-167-5956, 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 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-01-167-5956
Primary Part NumberMS27743-24
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerMilitary Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Duty TypeCONTINUOUS
Environmental ProtectionHERMETIC
Coil Quantity1
Specification/standard Data96906-MS27743 GOVERNMENT STANDARD
Center to Center Distance Between Mounting Facilities Parallel to the Altitude of an Isosceles Triangle1.446 INCHES MAXIMUM SINGLE MOUNTING FACILITY IN
Time Delay0.015 SECONDS MAXIMUM FIXED OPERATE AND RELEASE TIME
Main Contact Maximum Voltage Rating in Volts115.0 AC AND 28.0 DC
Winding DC Resistance Rating290.0 OHMS NOMINAL SINGLE WINDING
Center to Center Distance Between Mounting Facilities Parallel to Width0.625 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Mounting Facility Type and Quantity3 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Main Contact Load Current Rating at Maximum Rated Voltage25.0 AMPERES AC AND 25.0 AMPERES DC RESISTIVE LOAD
Nonpile-Up Main Contact Arrangement3 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Main Contact Load Current Rating at Maximum Rated Voltage5.0 AMPERES AC AND 5.0 AMPERES DC LAMP LOAD
Winding Quantity1
Operating Voltage Rating and Type at Specified Temp28.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Mounting Facility PatternTRIANGLE SINGLE MOUNTING FACILITY
Test Data Document81349-MIL-R-6106 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
Unthreaded Mounting Hole Diameter0.155 INCHES MINIMUM AND 0.161 INCHES MAXIMUM SINGLE MOUNTING FACILITY IN
Main Contact Load Current Rating at Maximum Rated Voltage10.0 AMPERES AC AND 10.0 AMPERES DC MOTOR LOAD
Terminal Type and Quantity11 PIN ALL FUNCTIONS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5945-01-458-7422 INTERCHANGEABLE
Relay,electromagnetic
Cross-Reference Index
Part NumberManufacturer
MS27743-24 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
MIL-PRF-6106 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-R-6106 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
5945PL0540399 Jednolity Indeks Materialowy - Uniform Material Index (POL)
5945PL0540518 Jednolity Indeks Materialowy - Uniform Material Index (POL)
Related Parts
5945-01-458-7422INTERCHANGEABLE
RELAY,ELECTROMAGNETIC

Frequently Asked Questions

What is NSN 5945-01-167-5956?

NSN 5945-01-167-5956 is a Relay,electromagnetic, manufactured by Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-01-167-5956?

NSN 5945-01-167-5956 has 5 cross-referenced part numbers: MS27743-24 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MIL-PRF-6106 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-R-6106 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 5945PL0540399 (Jednolity Indeks Materialowy - Uniform Material Index), 5945PL0540518 (Jednolity Indeks Materialowy - Uniform Material Index).

What NSN replaces 5945-01-167-5956?

There is 1 known substitute for 5945-01-167-5956: 5945-01-458-7422. Verify interchangeability with system specifications before substitution.

What are the specifications of MS27743-24?

Key specifications for MS27743-24: Duty Type: CONTINUOUS; Environmental Protection: HERMETIC; Coil Quantity: 1; Specification/standard Data: 96906-MS27743 GOVERNMENT STANDARD. 23 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