PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3-243-3Relay,electromagnetic

Automation Products Group, Inc. · NSN 5945-01-303-7626 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-01-303-7626 — this item is cataloged by the U.S. Government under National Stock Number 5945-01-303-7626. Primary manufacturer part number: 3-243-3.
Features
  • Relay,electromagnetic — FSC 5945
  • Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
  • Frequency in Hertz: 400.0 NOMINAL
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 1.250 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
  • Unthreaded Mounting Hole Diameter: 0.156 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
  • Time Delay: 6.00 SECONDS NOMINAL FIXED OPERATE TIME
  • Duty Type: CONTINUOUS
  • Purpose for Which Designed: SPECIFIC
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-01-303-7626, 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 Automation Products Group, Inc.. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-01-303-7626
Primary Part Number3-243-3
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerAutomation Products Group, Inc.
StatusACTIVE
Mounting Facility Type and Quantity4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Frequency in Hertz400.0 NOMINAL
Center to Center Distance Between Mounting Facilities Parallel to Length1.250 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Unthreaded Mounting Hole Diameter0.156 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Time Delay6.00 SECONDS NOMINAL FIXED OPERATE TIME
Duty TypeCONTINUOUS
Purpose for Which DesignedSPECIFIC
Center to Center Distance Between Mounting Facilities Parallel to Width1.680 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Mounting Facility PatternRECTANGULAR SINGLE MOUNTING FACILITY
Main Contact Load Current Rating at Maximum Rated Voltage10.0 AMPERES DC RESISTIVE LOAD
Main Contact Maximum Voltage Rating in Volts28.0 DC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5970-00-227-9050CLASS 52-1 INTERCHANGEABLE
Insulator,suspension
American National Standards Institute Incorporated Dba American National Standards Institute
5306-00-728-831860022 INTERCHANGEABLE
Bolt,internal Wrenching
Prestolite Electric Inc
2610-01-190-578472625 INTERCHANGEABLE
Tire,pneumatic,vehicular
Michelin North America, Inc Dba Michelin North America, Inc
5120-01-430-5206 INTERCHANGEABLE
Screwdriver,flat Tip
Cross-Reference Index
Part NumberManufacturer
214-175-155-103 Bell Textron Inc (USA)
3-243-3 PRIMARY Automation Products Group, Inc. (USA)
Related Parts
5970-00-227-9050INTERCHANGEABLE
INSULATOR,SUSPENSION
CLASS 52-1
5306-00-728-8318INTERCHANGEABLE
BOLT,INTERNAL WRENCHING
60022
2610-01-190-5784INTERCHANGEABLE
TIRE,PNEUMATIC,VEHICULAR
72625
5120-01-430-5206INTERCHANGEABLE
SCREWDRIVER,FLAT TIP

Frequently Asked Questions

What is NSN 5945-01-303-7626?

NSN 5945-01-303-7626 is a Relay,electromagnetic, manufactured by Automation Products Group, Inc., classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-01-303-7626?

NSN 5945-01-303-7626 has 2 cross-referenced part numbers: 214-175-155-103 (Bell Textron Inc), 3-243-3 (Automation Products Group, Inc.).

What NSN replaces 5945-01-303-7626?

There are 4 known substitutes for 5945-01-303-7626: 5970-00-227-9050, 5306-00-728-8318, 2610-01-190-5784 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3-243-3?

Key specifications for 3-243-3: Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY; Overall Height: 2.060 INCHES NOMINAL IN; End Item Identification: H-1 HELICOPTER; Frequency in Hertz: 400.0 NOMINAL. 15 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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