PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

C743586-6Relay,electromagnetic

L3 Technologies, Inc. Div Communication Systems-East · NSN 5945-00-259-9902 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-259-9902 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-259-9902. Primary manufacturer part number: C743586-6.
Features
  • Relay,electromagnetic — FSC 5945
  • Main Contact Load Current Rating at Maximum Rated Voltage: 3.0 AMPERES AC RESISTIVE LOAD
  • Winding DC Resistance Rating: 900.0 OHMS NOMINAL SINGLE WINDING
  • Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
  • Terminal Type and Quantity: 14 PIN ALL FUNCTIONS
  • Pile-Up Main Contact Form Arrangement: 4C
  • Frequency in Hertz: 58.0 MINIMUM AND 62.0 MAXIMUM
  • Mounting Facility Type and Quantity: 2 THREADED HOLE(S) SINGLE MOUNTING FACILITY
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-00-259-9902, 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 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-00-259-9902
Primary Part NumberC743586-6
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerL3 Technologies, Inc. Div Communication Systems-East
StatusACTIVE
Main Contact Load Current Rating at Maximum Rated Voltage3.0 AMPERES AC RESISTIVE LOAD
Winding DC Resistance Rating900.0 OHMS NOMINAL SINGLE WINDING
Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY
Terminal Type and Quantity14 PIN ALL FUNCTIONS
Pile-Up Main Contact Form Arrangement4C
Frequency in Hertz58.0 MINIMUM AND 62.0 MAXIMUM
Mounting Facility Type and Quantity2 THREADED HOLE(S) SINGLE MOUNTING FACILITY
Environmental ProtectionHUMIDITY RESISTANT AND SALT SPRAY RESISTANT
Main Contact Maximum Voltage Rating in Volts115.0 AC
Center to Center Distance Between Mounting Facilities Parallel to Length0.844 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Thread Quantity Per Inch32 SINGLE MOUNTING FACILITY
Mounting Facility PatternDIAGONAL SINGLE MOUNTING FACILITY
Coil Quantity1
Nominal Thread Size0.112 INCHES SINGLE MOUNTING FACILITY IN
Winding Quantity1
Operating Voltage Rating and Type at Specified Temp115.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING
Center to Center Distance Between Mounting Facilities Parallel to Width0.531 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Thread Class2B SINGLE MOUNTING FACILITY
Duty TypeCONTINUOUS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4730-00-011-1803B153620 INTERCHANGEABLE
Nipple,pipe
Sunroc Corp
2540-00-040-21073171 INTERCHANGEABLE
Holder Assembly,winch Line
Amfs American Fleet Services
6250-00-109-104151202 INTERCHANGEABLE
Lampholder
Raytheon Company Dba Raytheon
2520-00-350-75028A8482 INTERCHANGEABLE
Snaprin
Napco International Llc Dba Napco International Inc
2910-00-356-085833171 INTERCHANGEABLE
Filter Element,fluid
Wix Corp
5120-00-449-3819 INTERCHANGEABLE
Adapter-Shaft Bolt
6645-00-450-22093171 INTERCHANGEABLE
Clock,digital,panel
Pickard and Burns Inc
5310-01-076-72243171 INTERCHANGEABLE
Washer,recessed
Roller Bearing Co of America, Inc Div Pic Design
6520-01-153-62211357681 INTERCHANGEABLE
Gingival Retraction Cord,impregn
Henry Schein, Inc.
4520-01-361-1088 INTERCHANGEABLE
Porcelain,ignitor
Cross-Reference Index
Part NumberManufacturer
C743586-6 Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin (USA)
C743586-6 Rca Corp Distributor and Special Products Div
3171 Olympic Controls Corp (USA)
C743586-6 PRIMARY L3 Technologies, Inc. Div Communication Systems-East (USA)
Related Parts
4730-00-011-1803INTERCHANGEABLE
NIPPLE,PIPE
B153620
2540-00-040-2107INTERCHANGEABLE
HOLDER ASSEMBLY,WINCH LINE
3171
6250-00-109-1041INTERCHANGEABLE
LAMPHOLDER
51202
2520-00-350-7502INTERCHANGEABLE
SNAPRIN
8A8482
2910-00-356-0858INTERCHANGEABLE
FILTER ELEMENT,FLUID
33171
5120-00-449-3819INTERCHANGEABLE
ADAPTER-SHAFT BOLT
6645-00-450-2209INTERCHANGEABLE
CLOCK,DIGITAL,PANEL
3171
5310-01-076-7224INTERCHANGEABLE
WASHER,RECESSED
3171
6520-01-153-6221INTERCHANGEABLE
GINGIVAL RETRACTION CORD,IMPREGN
1357681
4520-01-361-1088INTERCHANGEABLE
PORCELAIN,IGNITOR
5985-01-371-7892INTERCHANGEABLE
COUPLER,ANTENNA
3171
5310-01-438-8134INTERCHANGEABLE
NUT,PLAIN,HEXAGON
3171

Frequently Asked Questions

What is NSN 5945-00-259-9902?

NSN 5945-00-259-9902 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 5945-00-259-9902?

NSN 5945-00-259-9902 has 4 cross-referenced part numbers: C743586-6 (Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin), C743586-6 (Rca Corp Distributor and Special Products Div), 3171 (Olympic Controls Corp), C743586-6 (L3 Technologies, Inc. Div Communication Systems-East).

What NSN replaces 5945-00-259-9902?

There are 12 known substitutes for 5945-00-259-9902: 4730-00-011-1803, 2540-00-040-2107, 6250-00-109-1041 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of C743586-6?

Key specifications for C743586-6: Main Contact Load Current Rating at Maximum Rated Voltage: 3.0 AMPERES AC RESISTIVE LOAD; Winding DC Resistance Rating: 900.0 OHMS NOMINAL SINGLE WINDING; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) SINGLE MOUNTING FACILITY; Terminal Type and Quantity: 14 PIN ALL FUNCTIONS. 22 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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