PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21-070Relay,electromagnetic

Te Connectivity Corporation · NSN 5945-00-652-5983 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-652-5983 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-652-5983. Primary manufacturer part number: 21-070.
Features
  • Relay,electromagnetic — FSC 5945
  • Arc Quenching Method: AIR
  • Environmental Protection: HERMETIC
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 3.500 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
  • Nonpile-Up Main Contact Arrangement: 2 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION
  • Frequency in Hertz: 400.0 NOMINAL
  • Purpose for Which Designed: GENERAL
  • Main Contact Load Current Rating at Maximum Rated Voltage: 2.0 AMPERES AC AND 2.0 AMPERES DC RESISTIVE LOAD
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-00-652-5983, 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 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5945-00-652-5983
Primary Part Number21-070
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerTe Connectivity Corporation
StatusCANCELLED
Arc Quenching MethodAIR
Environmental ProtectionHERMETIC
Center to Center Distance Between Mounting Facilities Parallel to Length3.500 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Nonpile-Up Main Contact Arrangement2 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION
Frequency in Hertz400.0 NOMINAL
Purpose for Which DesignedGENERAL
Main Contact Load Current Rating at Maximum Rated Voltage2.0 AMPERES AC AND 2.0 AMPERES DC RESISTIVE LOAD
Winding Quantity1
Fragility FactorMODERATELY RUGGED
Operating Voltage Rating and Type at Specified Temp120.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING
Mounting Facility PatternRECTANGULAR SINGLE MOUNTING FACILITY
Duty TypeCONTINUOUS
Mounting Facility Type and Quantity4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Storage TypeGENERAL PURPOSE WAREHOUSE
Terminal Type and Quantity6 THREADED STUD ALL FUNCTIONS
Cubic Measure29.100 CUBIC INCHES
Coil Quantity1
Center to Center Distance Between Mounting Facilities Parallel to Width2.750 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Main Contact Maximum Voltage Rating in Volts120.0 AC AND 28.0 DC
Unthreaded Mounting Hole Diameter0.172 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
5905-00-800-6696 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
3930-00-898-9916 INTERCHANGEABLE
Rubber Bumper
5935-01-017-5892896955-1 INTERCHANGEABLE
Adapter,connector
Raytheon Company Dba Raytheon Co
3040-01-297-528221070 INTERCHANGEABLE
Connector Assembly,receiver
Science Applications International Corporation
3040-01-418-210821072-801-1 INTERCHANGEABLE
Damper,inertia
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
4920-01-512-8255210-70 INTERCHANGEABLE
Test Set Subassembly,aircraft Co
Celtech Corporation
5360-01-542-809721070 INTERCHANGEABLE
Spring,helical,compression
Charles Reed Knight Jr Dba Knight's Armament Company
6665-01-613-229421-070 INTERCHANGEABLE
Detector,gas
Gow-Mac Instrument Co Div Gow-Mac Instrument Company
3612-01-714-077221070 INTERCHANGEABLE
Head,printer
Markforged Inc
Cross-Reference Index
Part NumberManufacturer
20-350SX Te Connectivity Corporation (USA)
21-070 PRIMARY Te Connectivity Corporation (USA)
Related Parts
5905-00-800-6696INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
3930-00-898-9916INTERCHANGEABLE
RUBBER BUMPER
5935-01-017-5892INTERCHANGEABLE
ADAPTER,CONNECTOR
896955-1
3040-01-297-5282INTERCHANGEABLE
CONNECTOR ASSEMBLY,RECEIVER
21070
3040-01-418-2108INTERCHANGEABLE
DAMPER,INERTIA
21072-801-1
4920-01-512-8255INTERCHANGEABLE
TEST SET SUBASSEMBLY,AIRCRAFT CO
210-70
5360-01-542-8097INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
21070
6665-01-613-2294INTERCHANGEABLE
DETECTOR,GAS
21-070
3612-01-714-0772INTERCHANGEABLE
HEAD,PRINTER
21070

Frequently Asked Questions

What is NSN 5945-00-652-5983?

NSN 5945-00-652-5983 is a Relay,electromagnetic, manufactured by Te Connectivity Corporation, classified under FSC 5945 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5945-00-652-5983?

NSN 5945-00-652-5983 has 2 cross-referenced part numbers: 20-350SX (Te Connectivity Corporation), 21-070 (Te Connectivity Corporation).

What NSN replaces 5945-00-652-5983?

There are 9 known substitutes for 5945-00-652-5983: 5905-00-800-6696, 3930-00-898-9916, 5935-01-017-5892 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21-070?

Key specifications for 21-070: Overall Length: 4.250 INCHES MAXIMUM IN; Arc Quenching Method: AIR; Environmental Protection: HERMETIC; Center to Center Distance Between Mounting Facilities Parallel to Length: 3.500 INCHES NOMINAL SINGLE MOUNTING FACILITY IN. 23 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5945-00-652-5983 still in active supply?

NSN 5945-00-652-5983 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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