PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

J-D2K-018Relay,electromagnetic

Leach International Corp Div Leach International Corporation · NSN 5945-01-287-6657 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-01-287-6657 — this item is cataloged by the U.S. Government under National Stock Number 5945-01-287-6657. Primary manufacturer part number: J-D2K-018.
Features
  • Relay,electromagnetic — FSC 5945
  • Main Contact Load Current Rating at Maximum Rated Voltage: 4.0 AMPERES AC AND 4.0 AMPERES DC MOTOR LOAD
  • Arc Quenching Method: AIR
  • Terminal Type and Quantity: 8 WIRE HOOK ALL FUNCTIONS
  • Storage Type: GENERAL PURPOSE WAREHOUSE
  • Mounting Facility Type and Quantity: 2 SLOTTED HOLE SINGLE MOUNTING FACILITY
  • Test Data Document: 81349-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.).
  • Main Contact Load Current Rating at Maximum Rated Voltage: 2.0 AMPERES AC AND 2.0 AMPERES DC LAMP LOAD
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-01-287-6657, 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 Leach International Corp Div Leach International Corporation. Government technical data includes 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 21 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5945-01-287-6657
Primary Part NumberJ-D2K-018
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerLeach International Corp Div Leach International Corporation
StatusCANCELLED
Main Contact Load Current Rating at Maximum Rated Voltage4.0 AMPERES AC AND 4.0 AMPERES DC MOTOR LOAD
Arc Quenching MethodAIR
Terminal Type and Quantity8 WIRE HOOK ALL FUNCTIONS
Storage TypeGENERAL PURPOSE WAREHOUSE
Mounting Facility Type and Quantity2 SLOTTED HOLE 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.).
Main Contact Load Current Rating at Maximum Rated Voltage2.0 AMPERES AC AND 2.0 AMPERES DC LAMP LOAD
Main Contact Load Current Rating at Maximum Rated Voltage8.0 AMPERES AC AND 8.0 AMPERES DC INDUCTIVE LOAD
Nonpile-Up Main Contact Arrangement2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Mounting Facility PatternIN-LINE SINGLE MOUNTING FACILITY
Duty TypeCONTINUOUS
Fragility FactorMODERATELY RUGGED
Time Delay0.015 SECONDS MAXIMUM FIXED OPERATE TIME
Frequency in Hertz400.0 NOMINAL
Time Delay0.05 SECONDS MAXIMUM FIXED RELEASE TIME
Purpose for Which DesignedGENERAL
Features ProvidedPOLARIZED
Cubic Measure1.015 CUBIC INCHES
Nominal Operating Current Rating and Type40.0 MILLIAMPERES AC SINGLE WINDING
Operating Voltage Rating and Type at Specified Temp115.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING
Criticality Code JustificationFEAT
Environmental ProtectionHERMETIC
Main Contact Maximum Voltage Rating in Volts115.0 AC AND 28.0 DC
Center to Center Distance Between Mounting Facilities Parallel to Length1.396 INCHES MINIMUM AND 1.446 INCHES MAXIMUM SINGLE MOUNTING FACILITY IN
Mounting Slot Width0.140 INCHES MINIMUM AND 0.160 INCHES MAXIMUM SINGLE MOUNTING FACILITY IN
Main Contact Load Current Rating at Maximum Rated Voltage10.0 AMPERES AC AND 10.0 AMPERES DC RESISTIVE LOAD
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5945-01-024-7356JAD2F INTERCHANGEABLE
Relay
Leach International Germany Gmbh
5945-01-037-6797 INTERCHANGEABLE
Relay,electromagnetic
5945-01-129-7628 INTERCHANGEABLE
Relay,electromagnetic
5945-01-248-1898 INTERCHANGEABLE
Relay,electromagnetic
5945-01-294-7572 INTERCHANGEABLE
Relay,electromagnetic
5945-01-308-2060 INTERCHANGEABLE
Relay,electromagnetic
5945-01-406-2899 INTERCHANGEABLE
Relay,electromagnetic
5945-01-410-8745 INTERCHANGEABLE
Relay,electromagnetic
5945-01-416-4187 INTERCHANGEABLE
Relay,electromagnetic
5945-01-470-8521 INTERCHANGEABLE
Relay,electromagnetic
Cross-Reference Index
Part NumberManufacturer
J-D2K-018 Leach International Corp Div Leach International Corporation (USA)
70122897 Bae Systems Marine Limited (GBR)
MIL-R-83536/11 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-PRF-83536/11 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
MS27401-7X Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
EC2945 Mcgeoch Technology Ltd (GBR)
MS27401-7X Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MS27401-15 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
M83536/11-001M Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
JA-D2F002 Leach International Corp Div Leach International Corporation (USA)
JA-D2F Leach International Corp Div Leach International Corporation (USA)
M27401-7X Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
M83536/11-001 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
E210-1438 Dri Relays Inc. Dba Dri Relays Inc (USA)
M83536/11-001L Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MS27401-7U Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
M83536/11-001L Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
M83536/11-001P Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
5945-01-024-7356INTERCHANGEABLE
RELAY
JAD2F
5945-01-037-6797INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
5945-01-129-7628INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
5945-01-248-1898INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
5945-01-294-7572INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
5945-01-308-2060INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
5945-01-406-2899INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
5945-01-410-8745INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
5945-01-416-4187INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
5945-01-470-8521INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
5945-01-478-5203INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
5945-01-495-7660INTERCHANGEABLE
RELAY,ELECTROMAGNETIC

Frequently Asked Questions

What is NSN 5945-01-287-6657?

NSN 5945-01-287-6657 is a Relay,electromagnetic, manufactured by Leach International Corp Div Leach International Corporation, classified under FSC 5945 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5945-01-287-6657?

NSN 5945-01-287-6657 has 21 cross-referenced part numbers: J-D2K-018 (Leach International Corp Div Leach International Corporation), 70122897 (Bae Systems Marine Limited), MIL-R-83536/11 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-PRF-83536/11 (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) and 16 more.

What NSN replaces 5945-01-287-6657?

There are 12 known substitutes for 5945-01-287-6657: 5945-01-024-7356, 5945-01-037-6797, 5945-01-129-7628 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of J-D2K-018?

Key specifications for J-D2K-018: Main Contact Load Current Rating at Maximum Rated Voltage: 4.0 AMPERES AC AND 4.0 AMPERES DC MOTOR LOAD; Arc Quenching Method: AIR; Terminal Type and Quantity: 8 WIRE HOOK ALL FUNCTIONS; Storage Type: GENERAL PURPOSE WAREHOUSE. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5945-01-287-6657 still in active supply?

NSN 5945-01-287-6657 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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