PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A21-2Relay,electromagnetic

Te Connectivity Corporation · NSN 5945-01-041-0267 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-01-041-0267 — this item is cataloged by the U.S. Government under National Stock Number 5945-01-041-0267. Primary manufacturer part number: A21-2.
Features
  • Relay,electromagnetic — FSC 5945
  • Main Contact Maximum Voltage Rating in Volts: 24.0 DC
  • Main Contact Load Current Rating at Maximum Rated Voltage: 200.0 AMPERES DC RESISTIVE LOAD
  • Overall Diameter: 1.625 INCHES NOMINAL IN
  • Duty Type: CONTINUOUS
  • 4 verified cross-references
  • Primary manufacturer: Te Connectivity Corporation
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-01-041-0267, 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 4 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-01-041-0267
Primary Part NumberA21-2
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerTe Connectivity Corporation
StatusACTIVE
Main Contact Maximum Voltage Rating in Volts24.0 DC
Main Contact Load Current Rating at Maximum Rated Voltage200.0 AMPERES DC RESISTIVE LOAD
Overall Diameter1.625 INCHES NOMINAL IN
Duty TypeCONTINUOUS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5330-00-016-8438A212 INTERCHANGEABLE
Packing,preformed
Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Cartridge Systems Division
5970-00-284-8796A1 INTERCHANGEABLE
Insulator,bushing
Graybar Electric Company, Inc. Dba Graybar Electric
6340-00-347-4713A21-1C INTERCHANGEABLE
Control Assy,warnin
Honeywell International Inc. Dba Honeywell Div Aerospace ? Redmond Commercial
4820-00-369-7438OCR19-XR INTERCHANGEABLE
Valve,angle
Brass Craft Mfg Co Sub of Masco Corp
5315-00-805-5290A2-12 INTERCHANGEABLE
Pin,straight,headless
Roller Bearing Co of America, Inc Div Pic Design
5340-00-840-1643SC2-1-2 INTERCHANGEABLE
Cap,protective,dust and Moisture
Caplugs Llc Dba Mokon Div Caplugs
5950-01-035-4724A212 INTERCHANGEABLE
Coil,radio Frequency
International Microwave Corp
3426-01-242-79621300 5060 INTERCHANGEABLE
Anode,plating
Sifco Applied Surface Concepts, Llc
6545-01-524-4433A212 INTERCHANGEABLE
Physical Therapy Long Shelf Life
Department of the Army U S Army Medical Material Agency Mcmr-Mmo-Sa
Cross-Reference Index
Part NumberManufacturer
A21-2 West Coast Electrical Mfg Co (USA)
7447263-01 San Antonio Air Logistics Center (USA)
A21-2 PRIMARY Te Connectivity Corporation (USA)
A21-2 Te Connectivity Corporation (USA)
Related Parts
5330-00-016-8438INTERCHANGEABLE
PACKING,PREFORMED
A212
5970-00-284-8796INTERCHANGEABLE
INSULATOR,BUSHING
A1
6340-00-347-4713INTERCHANGEABLE
CONTROL ASSY,WARNIN
A21-1C
4820-00-369-7438INTERCHANGEABLE
VALVE,ANGLE
OCR19-XR
5315-00-805-5290INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
A2-12
5340-00-840-1643INTERCHANGEABLE
CAP,PROTECTIVE,DUST AND MOISTURE
SC2-1-2
5950-01-035-4724INTERCHANGEABLE
COIL,RADIO FREQUENCY
A212
3426-01-242-7962INTERCHANGEABLE
ANODE,PLATING
1300 5060
6545-01-524-4433INTERCHANGEABLE
PHYSICAL THERAPY LONG SHELF LIFE
A212

Frequently Asked Questions

What is NSN 5945-01-041-0267?

NSN 5945-01-041-0267 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 5945-01-041-0267?

NSN 5945-01-041-0267 has 4 cross-referenced part numbers: A21-2 (West Coast Electrical Mfg Co), 7447263-01 (San Antonio Air Logistics Center), A21-2 (Te Connectivity Corporation), A21-2 (Te Connectivity Corporation).

What NSN replaces 5945-01-041-0267?

There are 9 known substitutes for 5945-01-041-0267: 5330-00-016-8438, 5970-00-284-8796, 6340-00-347-4713 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A21-2?

Key specifications for A21-2: Main Contact Maximum Voltage Rating in Volts: 24.0 DC; Main Contact Load Current Rating at Maximum Rated Voltage: 200.0 AMPERES DC RESISTIVE LOAD; Overall Length: 4.250 INCHES NOMINAL IN; Overall Diameter: 1.625 INCHES NOMINAL IN. 5 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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