PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20-512Relay,electromagnetic

Entron Industries Limited Partnership Dba Entron Industries Property Div · NSN 5945-00-232-7743 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-232-7743 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-232-7743. Primary manufacturer part number: 20-512.
Features
  • Relay,electromagnetic — FSC 5945
  • Coil Quantity: 1
  • Nonpile-Up Main Contact Arrangement: 2 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
  • Terminal Type and Quantity: 6 PIN ALL FUNCTIONS
  • Main Contact Maximum Voltage Rating in Volts: 115.0 AC
  • Duty Type: CONTINUOUS
  • Mounting Facility Pattern: IN-LINE SINGLE MOUNTING FACILITY
  • Main Contact Load Current Rating at Maximum Rated Voltage: 5.0 AMPERES AC RESISTIVE LOAD
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-00-232-7743, 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 Entron Industries Limited Partnership Dba Entron Industries Property Div. Government technical data includes 14 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. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-00-232-7743
Primary Part Number20-512
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerEntron Industries Limited Partnership Dba Entron Industries Property Div
StatusACTIVE
Coil Quantity1
Nonpile-Up Main Contact Arrangement2 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
Terminal Type and Quantity6 PIN ALL FUNCTIONS
Main Contact Maximum Voltage Rating in Volts115.0 AC
Duty TypeCONTINUOUS
Mounting Facility PatternIN-LINE SINGLE MOUNTING FACILITY
Main Contact Load Current Rating at Maximum Rated Voltage5.0 AMPERES AC RESISTIVE LOAD
Center to Center Distance Between Mounting Facilities Parallel to Length1.188 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Unthreaded Mounting Hole Diameter0.125 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Winding DC Resistance Rating500.0 OHMS NOMINAL SINGLE WINDING
Winding Quantity1
Nominal Operating Current Rating and Type0.02 AMPERES DC SINGLE WINDING
Mounting Facility Type and Quantity2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Operating Voltage Rating and Type at Specified Temp50.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5330-00-052-3051 INTERCHANGEABLE
Gasket
5320-00-205-7469205-202 1-2 INTERCHANGEABLE
Rivet,solid
Honeywell Intl Inc Defense Avionics Systems
5999-00-626-4431 INTERCHANGEABLE
Clip,electrical
5940-00-820-454910-702-B-05 INTERCHANGEABLE
Terminal,stud
Concord Electronics, Inc.
4820-00-922-008920512 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Fairchild Industrial Products Company
6515-01-153-5787 INTERCHANGEABLE
Mixer,cement,bone
1650-01-183-021320512 INTERCHANGEABLE
Piston,linear Actuating Cylinder
Real-Time Laboratories, Llc
2910-01-188-368320512 INTERCHANGEABLE
Blade,transfer Pump
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
5120-01-349-1478 INTERCHANGEABLE
Wrench,box and Open End,combinat
6350-01-695-153020512 INTERCHANGEABLE
Detector,heat
Aqualarm Inc
Cross-Reference Index
Part NumberManufacturer
SPD5 Te Connectivity Corporation (USA)
20-512 PRIMARY Entron Industries Limited Partnership Dba Entron Industries Property Div (USA)
Related Parts
5330-00-052-3051INTERCHANGEABLE
GASKET
5320-00-205-7469INTERCHANGEABLE
RIVET,SOLID
205-202 1-2
5999-00-626-4431INTERCHANGEABLE
CLIP,ELECTRICAL
5940-00-820-4549INTERCHANGEABLE
TERMINAL,STUD
10-702-B-05
4820-00-922-0089INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
20512
6515-01-153-5787INTERCHANGEABLE
MIXER,CEMENT,BONE
1650-01-183-0213INTERCHANGEABLE
PISTON,LINEAR ACTUATING CYLINDER
20512
2910-01-188-3683INTERCHANGEABLE
BLADE,TRANSFER PUMP
20512
5120-01-349-1478INTERCHANGEABLE
WRENCH,BOX AND OPEN END,COMBINAT
6350-01-695-1530INTERCHANGEABLE
DETECTOR,HEAT
20512

Frequently Asked Questions

What is NSN 5945-00-232-7743?

NSN 5945-00-232-7743 is a Relay,electromagnetic, manufactured by Entron Industries Limited Partnership Dba Entron Industries Property Div, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-00-232-7743?

NSN 5945-00-232-7743 has 2 cross-referenced part numbers: SPD5 (Te Connectivity Corporation), 20-512 (Entron Industries Limited Partnership Dba Entron Industries Property Div).

What NSN replaces 5945-00-232-7743?

There are 10 known substitutes for 5945-00-232-7743: 5330-00-052-3051, 5320-00-205-7469, 5999-00-626-4431 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20-512?

Key specifications for 20-512: Overall Height: 1.625 INCHES NOMINAL IN; Coil Quantity: 1; Overall Length: 2.437 INCHES NOMINAL IN; Overall Width: 1.625 INCHES NOMINAL IN. 17 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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