PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-R-39016/6Relay,electromagnetic

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5945-01-237-6535 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-01-237-6535 — this item is cataloged by the U.S. Government under National Stock Number 5945-01-237-6535. Primary manufacturer part number: MIL-R-39016/6.
Features
  • Relay,electromagnetic — FSC 5945
  • Arc Quenching Method: AIR
  • Main Contact Load Current Rating at Maximum Rated Voltage: 300.0 MILLIAMPERES AC AND 2.0 AMPERES DC RESISTIVE LOAD
  • Main Contact Load Current Rating at Maximum Rated Voltage: 750.0 MILLIAMPERES DC INDUCTIVE LOAD
  • Main Contact Load Current Rating at Maximum Rated Voltage: 160.0 MILLIAMPERES DC LAMP LOAD
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 1.062 INCHES MINIMUM AND 1.078 INCHES MAXIMUM SINGLE MOUNTING FACILITY IN
  • Environmental Protection: HERMETIC
  • Specification/standard Data: 81349-MIL-R-39016/6 GOVERNMENT SPECIFICATION
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-01-237-6535, 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 Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5945-01-237-6535
Primary Part NumberMIL-R-39016/6
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusCANCELLED
Arc Quenching MethodAIR
Main Contact Load Current Rating at Maximum Rated Voltage300.0 MILLIAMPERES AC AND 2.0 AMPERES DC RESISTIVE LOAD
Main Contact Load Current Rating at Maximum Rated Voltage750.0 MILLIAMPERES DC INDUCTIVE LOAD
Main Contact Load Current Rating at Maximum Rated Voltage160.0 MILLIAMPERES DC LAMP LOAD
Center to Center Distance Between Mounting Facilities Parallel to Length1.062 INCHES MINIMUM AND 1.078 INCHES MAXIMUM SINGLE MOUNTING FACILITY IN
Environmental ProtectionHERMETIC
Specification/standard Data81349-MIL-R-39016/6 GOVERNMENT SPECIFICATION
Mounting Facility Type and Quantity2 SLOTTED HOLE SINGLE MOUNTING FACILITY
Duty TypeCONTINUOUS
Coil Quantity1
Criticality Code JustificationFEAT
Purpose for Which DesignedGENERAL
Nonpile-Up Main Contact Arrangement2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Features ProvidedPOLARIZED
Mounting Slot Width0.120 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Mounting Facility PatternIN-LINE SINGLE MOUNTING FACILITY
Storage TypeGENERAL PURPOSE WAREHOUSE
Winding Quantity1
Terminal Type and Quantity8 WIRE HOOK ALL FUNCTIONS
Winding DC Resistance Rating40.0 OHMS NOMINAL SINGLE WINDING
Operating Voltage Rating and Type at Specified Temp6.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Fragility FactorMODERATELY RUGGED
Test Data Document81349-MIL-R-39016 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 Maximum Voltage Rating in Volts115.0 AC AND 28.0 DC
Time Delay0.004 SECONDS MAXIMUM FIXED OPERATE AND RELEASE TIME
Cubic Measure0.330 CUBIC INCHES
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
5945-01-027-6908 INTERCHANGEABLE
Relay,electromagnetic
Cross-Reference Index
Part NumberManufacturer
MIL-R-39016/6 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M39016/6-121P Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-PRF-39016/6 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M39016/6-121M Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M39016/6-121L Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MILR39016-6 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5945-01-027-6908INTERCHANGEABLE
RELAY,ELECTROMAGNETIC

Frequently Asked Questions

What is NSN 5945-01-237-6535?

NSN 5945-01-237-6535 is a Relay,electromagnetic, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5945 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5945-01-237-6535?

NSN 5945-01-237-6535 has 6 cross-referenced part numbers: MIL-R-39016/6 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M39016/6-121P (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-PRF-39016/6 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M39016/6-121M (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M39016/6-121L (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 1 more.

What NSN replaces 5945-01-237-6535?

There is 1 known substitute for 5945-01-237-6535: 5945-01-027-6908. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-R-39016/6?

Key specifications for MIL-R-39016/6: Overall Length: 1.320 INCHES MAXIMUM IN; Arc Quenching Method: AIR; Main Contact Load Current Rating at Maximum Rated Voltage: 300.0 MILLIAMPERES AC AND 2.0 AMPERES DC RESISTIVE LOAD; Main Contact Load Current Rating at Maximum Rated Voltage: 750.0 MILLIAMPERES DC INDUCTIVE LOAD. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5945-01-237-6535 still in active supply?

NSN 5945-01-237-6535 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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