PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

C746516-2Relay,electromagnetic

L3 Technologies, Inc. Div Communication Systems-East · NSN 5945-00-295-6674 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-295-6674 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-295-6674. Primary manufacturer part number: C746516-2.
Features
  • Relay,electromagnetic — FSC 5945
  • Operating Voltage Rating and Type at Specified Temp: 35.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
  • Nonpile-Up Main Contact Arrangement: 2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
  • Mounting Facility Pattern: IN-LINE SINGLE MOUNTING FACILITY
  • Thread Quantity Per Inch: 40 SINGLE MOUNTING FACILITY
  • Nominal Thread Size: 0.112 INCHES SINGLE MOUNTING FACILITY IN
  • Main Contact Load Current Rating at Maximum Rated Voltage: 2.0 AMPERES AC RESISTIVE LOAD
  • Environmental Protection: SALT SPRAY RESISTANT AND HERMETIC
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-00-295-6674, 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 L3 Technologies, Inc. Div Communication Systems-East. Government technical data includes 19 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
NSN5945-00-295-6674
Primary Part NumberC746516-2
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerL3 Technologies, Inc. Div Communication Systems-East
StatusACTIVE
Operating Voltage Rating and Type at Specified Temp35.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Nonpile-Up Main Contact Arrangement2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Mounting Facility PatternIN-LINE SINGLE MOUNTING FACILITY
Thread Quantity Per Inch40 SINGLE MOUNTING FACILITY
Nominal Thread Size0.112 INCHES SINGLE MOUNTING FACILITY IN
Main Contact Load Current Rating at Maximum Rated Voltage2.0 AMPERES AC RESISTIVE LOAD
Environmental ProtectionSALT SPRAY RESISTANT AND HERMETIC
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Main Contact Maximum Voltage Rating in Volts115.0 AC
Mounting Facility Type and Quantity2 THREADED STUD(S) SINGLE MOUNTING FACILITY
Arc Quenching MethodINERT GAS
Thread Class2A SINGLE MOUNTING FACILITY A
Winding DC Resistance Rating2.5 KILOHMS NOMINAL SINGLE WINDING
Winding Quantity1
Nominal Operating Current Rating and Type4.0 MILLIAMPERES DC SINGLE WINDING
Terminal Type and Quantity8 THREADED STUD ALL FUNCTIONS
Coil Quantity1
Center to Center Distance Between Mounting Facilities Parallel to Length0.500 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Duty TypeCONTINUOUS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
4730-00-014-2431SAE J512 3 040110B INTERCHANGEABLE
Inverted Nut,tube Coupling
Sae International Dba Sae International
4730-00-014-2432SAE J512 4 040110B INTERCHANGEABLE
Inverted Nut,tube Coupling
Sae International Dba Sae International
5331-01-555-1378ORM0300-10000 N-70 INTERCHANGEABLE
O-Ring
Zatkoff Seals and Packings
Cross-Reference Index
Part NumberManufacturer
C746516-2 PRIMARY L3 Technologies, Inc. Div Communication Systems-East (USA)
A5279 Cooper Wheelock, Inc. (USA)
100X3 Cooper Wheelock, Inc. (USA)
C746516-2 Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin (USA)
Related Parts
4730-00-014-2431INTERCHANGEABLE
INVERTED NUT,TUBE COUPLING
SAE J512 3 040110B
4730-00-014-2432INTERCHANGEABLE
INVERTED NUT,TUBE COUPLING
SAE J512 4 040110B
5331-01-555-1378INTERCHANGEABLE
O-RING
ORM0300-10000 N-70

Frequently Asked Questions

What is NSN 5945-00-295-6674?

NSN 5945-00-295-6674 is a Relay,electromagnetic, manufactured by L3 Technologies, Inc. Div Communication Systems-East, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-00-295-6674?

NSN 5945-00-295-6674 has 4 cross-referenced part numbers: C746516-2 (L3 Technologies, Inc. Div Communication Systems-East), A5279 (Cooper Wheelock, Inc.), 100X3 (Cooper Wheelock, Inc.), C746516-2 (Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin).

What NSN replaces 5945-00-295-6674?

There are 3 known substitutes for 5945-00-295-6674: 4730-00-014-2431, 4730-00-014-2432, 5331-01-555-1378. Verify interchangeability with system specifications before substitution.

What are the specifications of C746516-2?

Key specifications for C746516-2: Operating Voltage Rating and Type at Specified Temp: 35.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING; Nonpile-Up Main Contact Arrangement: 2 POLE, DOUBLE THROW, ONE POSITION MOMENTARY; Mounting Facility Pattern: IN-LINE SINGLE MOUNTING FACILITY; Thread Quantity Per Inch: 40 SINGLE MOUNTING FACILITY. 23 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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