PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

HFW1201K46Relay,electromagnetic

Cp Clare Corp North American Sales Operations · NSN 5945-01-063-1979 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-01-063-1979 — this item is cataloged by the U.S. Government under National Stock Number 5945-01-063-1979. Primary manufacturer part number: HFW1201K46.
Features
  • Relay,electromagnetic — FSC 5945
  • Coil Quantity: 1
  • Winding DC Resistance Rating: 700.0 OHMS NOMINAL SINGLE WINDING
  • Duty Type: CONTINUOUS
  • Specification/standard Data: 81349-MIL-R-39016/6 GOVERNMENT SPECIFICATION
  • Test Data Document: 81349-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.).
  • Terminal Type and Quantity: 8 PIN ALL FUNCTIONS
  • Mounting Facility Type and Quantity: 1 PLUG-IN TERMINAL(S) SINGLE MOUNTING FACILITY
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-01-063-1979, 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 Cp Clare Corp North American Sales Operations. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 10 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
NSN5945-01-063-1979
Primary Part NumberHFW1201K46
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerCp Clare Corp North American Sales Operations
StatusACTIVE
Coil Quantity1
Winding DC Resistance Rating700.0 OHMS NOMINAL SINGLE WINDING
Duty TypeCONTINUOUS
Specification/standard Data81349-MIL-R-39016/6 GOVERNMENT SPECIFICATION
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.).
Terminal Type and Quantity8 PIN ALL FUNCTIONS
Mounting Facility Type and Quantity1 PLUG-IN TERMINAL(S) SINGLE MOUNTING FACILITY
Main Contact Load Current Rating at Maximum Rated Voltage100.0 MILLIAMPERES AC AND 2.0 AMPERES DC RESISTIVE LOAD
Criticality Code JustificationFEAT
Time Delay0.004 SECONDS MAXIMUM FIXED OPERATE AND RELEASE TIME
Nonpile-Up Main Contact Arrangement2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Main Contact Maximum Voltage Rating in Volts115.0 AC AND 28.0 DC
Operating Voltage Rating and Type at Specified Temp26.5 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Environmental ProtectionHERMETIC
Winding Quantity1
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5945-01-170-6307 INTERCHANGEABLE
Relay,electromagnetic
Cross-Reference Index
Part NumberManufacturer
HFW1201K46 Cp Clare Corp North American Sales Operations (USA)
MIL-PRF-39016/6 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
93220301-071 Dri Relays Inc. Dba Dri Relays Inc (USA)
HFW1201K46 Te Connectivity Corporation (USA)
M39016/6-209L Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
50GB0R-1-AJ-700(2) IV-Electronic Klaus Vespermann Kg (DEU)
50GB0R-1-AJ-700(2) Electronic Specialty Corp Relay Div (USA)
ERS6A1-26.5-L2 Allied Controls, Inc. (USA)
J2K-4730-209L Hi-G Co Inc Sub of Nytronics Inc (USA)
HFW1201K46 Leach International Germany Gmbh (DEU)
MIL-R-39016/6 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
DJ26C1P6AS-113 Dri Relays Inc. Dba Dri Relays Inc (USA)
3SAV2109A2 Genicom Corp (USA)
Related Parts
5945-01-170-6307INTERCHANGEABLE
RELAY,ELECTROMAGNETIC

Frequently Asked Questions

What is NSN 5945-01-063-1979?

NSN 5945-01-063-1979 is a Relay,electromagnetic, manufactured by Cp Clare Corp North American Sales Operations, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-01-063-1979?

NSN 5945-01-063-1979 has 13 cross-referenced part numbers: HFW1201K46 (Cp Clare Corp North American Sales Operations), MIL-PRF-39016/6 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 93220301-071 (Dri Relays Inc. Dba Dri Relays Inc), HFW1201K46 (Te Connectivity Corporation), M39016/6-209L (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 8 more.

What NSN replaces 5945-01-063-1979?

There is 1 known substitute for 5945-01-063-1979: 5945-01-170-6307. Verify interchangeability with system specifications before substitution.

What are the specifications of HFW1201K46?

Key specifications for HFW1201K46: Coil Quantity: 1; Overall Width: 0.410 INCHES MAXIMUM IN; Winding DC Resistance Rating: 700.0 OHMS NOMINAL SINGLE WINDING; Duty Type: CONTINUOUS. 19 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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