PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MS27401-38XRelay,electromagnetic

Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M · NSN 5945-01-285-9883 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-01-285-9883 — this item is cataloged by the U.S. Government under National Stock Number 5945-01-285-9883. Primary manufacturer part number: MS27401-38X.
Features
  • Relay,electromagnetic — FSC 5945
  • Main Contact Load Current Rating at Maximum Rated Voltage: 10.0 AMPERES AC AND 10.0 AMPERES DC RESISTIVE LOAD
  • Storage Type: GENERAL PURPOSE WAREHOUSE
  • Winding Quantity: 1
  • Environmental Protection: HERMETIC
  • Mounting Facility Pattern: IN-LINE SINGLE MOUNTING FACILITY
  • Terminal Type and Quantity: 8 PIN ALL FUNCTIONS
  • Main Contact Load Current Rating at Maximum Rated Voltage: 4.0 AMPERES AC AND 4.0 AMPERES DC MOTOR LOAD
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-01-285-9883, 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 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-01-285-9883
Primary Part NumberMS27401-38X
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
Main Contact Load Current Rating at Maximum Rated Voltage10.0 AMPERES AC AND 10.0 AMPERES DC RESISTIVE LOAD
Storage TypeGENERAL PURPOSE WAREHOUSE
Winding Quantity1
Environmental ProtectionHERMETIC
Mounting Facility PatternIN-LINE SINGLE MOUNTING FACILITY
Terminal Type and Quantity8 PIN ALL FUNCTIONS
Main Contact Load Current Rating at Maximum Rated Voltage4.0 AMPERES AC AND 4.0 AMPERES DC MOTOR LOAD
Duty TypeCONTINUOUS
Main Contact Maximum Voltage Rating in Volts115.0 AC AND 28.0 DC
Center to Center Distance Between Mounting Facilities Parallel to Length1.446 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Time Delay10.00 SECONDS NOMINAL FIXED OPERATE AND RELEASE TIME
Test Data Document81349-MIL-R-83536 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.).
Main Contact Load Current Rating at Maximum Rated Voltage8.0 AMPERES AC AND 8.0 AMPERES DC INDUCTIVE LOAD
Mounting Facility Type and Quantity2 SLOTTED HOLE SINGLE MOUNTING FACILITY
Cubic Measure0.911 CUBIC INCHES
Mounting Slot Width0.150 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Operating Voltage Rating and Type at Specified Temp28.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Purpose for Which DesignedGENERAL
Nonpile-Up Main Contact Arrangement2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Specification/standard Data81349--83536/9 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
Coil Quantity1
Main Contact Load Current Rating at Maximum Rated Voltage2.0 AMPERES AC AND 2.0 AMPERES DC LAMP LOAD
Fragility FactorMODERATELY RUGGED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5945-01-096-3098 INTERCHANGEABLE
Relay,electromagnetic
5945-01-178-4234 INTERCHANGEABLE
Relay,electromagnetic
5945-01-183-6703 INTERCHANGEABLE
Relay,electromagnetic
5945-01-229-9315 INTERCHANGEABLE
Relay,electromagnetic
5945-01-407-1581 INTERCHANGEABLE
Relay,electromagnetic
5945-01-414-7681 INTERCHANGEABLE
Relay,electromagnetic
5945-01-435-2667 INTERCHANGEABLE
Relay,electromagnetic
5945-01-458-8867 INTERCHANGEABLE
Relay,electromagnetic
5945-01-512-0813 INTERCHANGEABLE
Relay,electromagnetic
5945-01-605-7337 INTERCHANGEABLE
Relay,electromagnetic
Cross-Reference Index
Part NumberManufacturer
MS27401-38X Military Standards Promulgated by Military Departments 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
MIL-PRF-83536/9 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-PRF-83536 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-R-83536 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M83536/9-025M Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5945-01-096-3098INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
5945-01-178-4234INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
5945-01-183-6703INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
5945-01-229-9315INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
5945-01-407-1581INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
5945-01-414-7681INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
5945-01-435-2667INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
5945-01-458-8867INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
5945-01-512-0813INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
5945-01-605-7337INTERCHANGEABLE
RELAY,ELECTROMAGNETIC

Frequently Asked Questions

What is NSN 5945-01-285-9883?

NSN 5945-01-285-9883 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 5945-01-285-9883?

NSN 5945-01-285-9883 has 6 cross-referenced part numbers: MS27401-38X (Military Standards Promulgated by Military Departments 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), MIL-PRF-83536/9 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-PRF-83536 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-R-83536 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 1 more.

What NSN replaces 5945-01-285-9883?

There are 10 known substitutes for 5945-01-285-9883: 5945-01-096-3098, 5945-01-178-4234, 5945-01-183-6703 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MS27401-38X?

Key specifications for MS27401-38X: Main Contact Load Current Rating at Maximum Rated Voltage: 10.0 AMPERES AC AND 10.0 AMPERES DC RESISTIVE LOAD; Storage Type: GENERAL PURPOSE WAREHOUSE; Overall Height: 0.525 INCHES MAXIMUM IN; Winding Quantity: 1. 26 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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