PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

70220KRelay,electromagnetic

Te Connectivity Corporation · NSN 5945-00-564-9545 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-564-9545 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-564-9545. Primary manufacturer part number: 70220K.
Features
  • Relay,electromagnetic — FSC 5945
  • Mounting Facility Type and Quantity: 4 THREADED HOLE(S) SECOND MOUNTING FACILITY
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 2.880 INCHES NOMINAL FIRST MOUNTING FACILITY IN
  • Mounting Facility Type and Quantity: 6 UNTHREADED HOLE(S) FIRST MOUNTING FACILITY
  • Purpose for Which Designed: GENERAL
  • Arc Quenching Method: AIR
  • Cubic Measure: 45.392 CUBIC INCHES
  • Coil Quantity: 1
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
  • Applications requiring Silver Contact construction
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-00-564-9545, 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 Te Connectivity Corporation. Government technical data includes 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-00-564-9545
Primary Part Number70220K
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerTe Connectivity Corporation
StatusACTIVE
Mounting Facility Type and Quantity4 THREADED HOLE(S) SECOND MOUNTING FACILITY
Center to Center Distance Between Mounting Facilities Parallel to Length2.880 INCHES NOMINAL FIRST MOUNTING FACILITY IN
Mounting Facility Type and Quantity6 UNTHREADED HOLE(S) FIRST MOUNTING FACILITY
Purpose for Which DesignedGENERAL
Arc Quenching MethodAIR
Cubic Measure45.392 CUBIC INCHES
Coil Quantity1
Time Delay1.00 SECONDS MINIMUM AND 300.00 SECONDS MAXIMUM ADJUSTABLE RELEASE TIME
Winding Quantity1
Precious MaterialSILVER
Mounting Facility PatternRECTANGULAR SECOND MOUNTING FACILITY
Thread Quantity Per Inch32 SECOND MOUNTING FACILITY
Environmental ProtectionDUSTPROOF
MaterialSILVER CONTACT
MaterialPLASTIC CASE
Center to Center Distance Between Mounting Facilities Parallel to Height0.500 INCHES NOMINAL SECOND MOUNTING FACILITY IN
Mounting Facility PatternRECTANGULAR FIRST MOUNTING FACILITY
Operating Voltage Rating and Type at Specified Temp24.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Center to Center Distance Between Mounting Facilities Parallel to Height0.750 INCHES MINIMUM AND 1.500 INCHES MAXIMUM FIRST MOUNTING FACILITY IN
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SECOND MOUNTING FACILITY
Unthreaded Mounting Hole Diameter0.199 INCHES NOMINAL FIRST MOUNTING FACILITY IN
Precious Material and LocationC0NTACTS SILVER
Storage TypeGENERAL PURPOSE WAREHOUSE
Main Contact Maximum Voltage Rating in Volts240.0 AC AND 30.0 DC
Terminal Type and Quantity8 SCREW ALL FUNCTIONS
Thread DirectionRIGHT-HAND SECOND MOUNTING FACILITY
Center to Center Distance Between Mounting Facilities Parallel to Length1.750 INCHES NOMINAL SECOND MOUNTING FACILITY IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5950-00-419-3989154110 INTERCHANGEABLE
Reactor
Raytheon Company Dba Raytheon Co
5815-00-705-3963154110 INTERCHANGEABLE
Hood,keyboard Teletype
Telemechanics Inc
4520-01-492-2748154110 INTERCHANGEABLE
Elbow,air Conditioning-Heating
U S Army Tank Automotive Command Amsta-Im-Mm
Cross-Reference Index
Part NumberManufacturer
70220K PRIMARY Te Connectivity Corporation (USA)
00154-0110 Harsco Corp Bmy-Combat Systems Div (USA)
154-110 Harsco Corp Bmy-Combat Systems Div (USA)
ND22-24VDC Harvard Industries Inc (USA)
Related Parts
5950-00-419-3989INTERCHANGEABLE
REACTOR
154110
5815-00-705-3963INTERCHANGEABLE
HOOD,KEYBOARD TELETYPE
154110
4520-01-492-2748INTERCHANGEABLE
ELBOW,AIR CONDITIONING-HEATING
154110

Frequently Asked Questions

What is NSN 5945-00-564-9545?

NSN 5945-00-564-9545 is a Relay,electromagnetic, manufactured by Te Connectivity Corporation, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-00-564-9545?

NSN 5945-00-564-9545 has 4 cross-referenced part numbers: 70220K (Te Connectivity Corporation), 00154-0110 (Harsco Corp Bmy-Combat Systems Div), 154-110 (Harsco Corp Bmy-Combat Systems Div), ND22-24VDC (Harvard Industries Inc).

What NSN replaces 5945-00-564-9545?

There are 3 known substitutes for 5945-00-564-9545: 5950-00-419-3989, 5815-00-705-3963, 4520-01-492-2748. Verify interchangeability with system specifications before substitution.

What are the specifications of 70220K?

Key specifications for 70220K: Mounting Facility Type and Quantity: 4 THREADED HOLE(S) SECOND MOUNTING FACILITY; Center to Center Distance Between Mounting Facilities Parallel to Length: 2.880 INCHES NOMINAL FIRST MOUNTING FACILITY IN; Mounting Facility Type and Quantity: 6 UNTHREADED HOLE(S) FIRST MOUNTING FACILITY; Purpose for Which Designed: GENERAL. 30 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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