PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M39016/8-007MRelay,electromagnetic

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 5945-01-066-6889 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-01-066-6889 — this item is cataloged by the U.S. Government under National Stock Number 5945-01-066-6889. Primary manufacturer part number: M39016/8-007M.
Features
  • Relay,electromagnetic — FSC 5945
  • Winding DC Resistance Rating: 280.0 OHMS NOMINAL ALL WINDINGS
  • Fragility Factor: MODERATELY RUGGED
  • Coil Quantity: 2
  • Winding Quantity: 2
  • Environmental Protection: HERMETIC
  • Time Delay: 0.0015 SECONDS MAXIMUM FIXED OPERATE TIME
  • Features Provided: LATCHING CONTACTS
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-01-066-6889, 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 20 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5945-01-066-6889
Primary Part NumberM39016/8-007M
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
Winding DC Resistance Rating280.0 OHMS NOMINAL ALL WINDINGS
Fragility FactorMODERATELY RUGGED
Coil Quantity2
Winding Quantity2
Environmental ProtectionHERMETIC
Time Delay0.0015 SECONDS MAXIMUM FIXED OPERATE TIME
Features ProvidedLATCHING CONTACTS
Nonpile-Up Main Contact Arrangement1 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Storage TypeGENERAL PURPOSE WAREHOUSE
Specification/standard Data81349-MIL-R-39016/8 GOVERNMENT SPECIFICATION
Main Contact Maximum Voltage Rating in Volts28.0 DC
Main Contact Load Current Rating at Maximum Rated Voltage500.0 MILLIAMPERES DC RESISTIVE LOAD
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.).
Operating Voltage Rating and Type at Specified Temp9.0 VOLTS DC 25 DEG CELSIUS ALL WINDINGS
Criticality Code JustificationFEAT
Main Contact Load Current Rating at Maximum Rated Voltage100.0 MILLIAMPERES DC LAMP LOAD
Mounting Facility Type and Quantity1 TERMINAL SINGLE MOUNTING FACILITY
Duty TypeCONTINUOUS
Terminal Type and Quantity7 WIRE LEAD ALL FUNCTIONS
Overall Diameter0.335 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 10
5945-01-016-0327 INTERCHANGEABLE
Relay,electromagnetic
5945-01-067-0799 INTERCHANGEABLE
Relay,electromagnetic
5945-01-096-6187 INTERCHANGEABLE
Relay,electromagnetic
5945-01-116-7870 INTERCHANGEABLE
Relay,electromagnetic
5945-01-119-4014 INTERCHANGEABLE
Relay,electromagnetic
5945-01-120-8420 INTERCHANGEABLE
Relay,electromagnetic
5945-01-260-7492 INTERCHANGEABLE
Relay,electromagnetic
5945-01-347-8782 INTERCHANGEABLE
Relay,electromagnetic
5945-01-349-5441 INTERCHANGEABLE
Relay,electromagnetic
5945-01-425-2985 INTERCHANGEABLE
Relay,electromagnetic
Cross-Reference Index
Part NumberManufacturer
M39016/8-007M Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-R-39016/8 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M39016/8-018M Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MILR5757-39 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
M5757-39-003 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-PRF-39016/8 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5945-01-016-0327INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
5945-01-067-0799INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
5945-01-096-6187INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
5945-01-116-7870INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
5945-01-119-4014INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
5945-01-120-8420INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
5945-01-260-7492INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
5945-01-347-8782INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
5945-01-349-5441INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
5945-01-425-2985INTERCHANGEABLE
RELAY,ELECTROMAGNETIC

Frequently Asked Questions

What is NSN 5945-01-066-6889?

NSN 5945-01-066-6889 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 5945-01-066-6889?

NSN 5945-01-066-6889 has 6 cross-referenced part numbers: M39016/8-007M (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-R-39016/8 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M39016/8-018M (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MILR5757-39 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), M5757-39-003 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 1 more.

What NSN replaces 5945-01-066-6889?

There are 10 known substitutes for 5945-01-066-6889: 5945-01-016-0327, 5945-01-067-0799, 5945-01-096-6187 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of M39016/8-007M?

Key specifications for M39016/8-007M: Winding DC Resistance Rating: 280.0 OHMS NOMINAL ALL WINDINGS; Fragility Factor: MODERATELY RUGGED; Coil Quantity: 2; Winding Quantity: 2. 22 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5945-01-066-6889 still in active supply?

NSN 5945-01-066-6889 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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