PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

64A7A13-2Relay,electromagnetic

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 5945-00-943-9278 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-943-9278 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-943-9278. Primary manufacturer part number: 64A7A13-2.
Features
  • Relay,electromagnetic — FSC 5945
  • Operating Voltage Rating and Type at Specified Temp: 26.5 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
  • Nonpile-Up Main Contact Arrangement: 4 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 1.200 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
  • Winding DC Resistance Rating: 500.0 OHMS NOMINAL SINGLE WINDING
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 0.400 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
  • Environmental Protection: HERMETIC
  • Winding Quantity: 1
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-00-943-9278, 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 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-00-943-9278
Primary Part Number64A7A13-2
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Operating Voltage Rating and Type at Specified Temp26.5 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Nonpile-Up Main Contact Arrangement4 POLE, DOUBLE THROW, ONE POSITION MOMENTARY
Center to Center Distance Between Mounting Facilities Parallel to Length1.200 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Winding DC Resistance Rating500.0 OHMS NOMINAL SINGLE WINDING
Center to Center Distance Between Mounting Facilities Parallel to Width0.400 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Environmental ProtectionHERMETIC
Winding Quantity1
Main Contact Load Current Rating at Maximum Rated Voltage1.0 AMPERES AC AND 2.0 AMPERES DC RESISTIVE LOAD
Mounting Facility PatternDIAGONAL SINGLE MOUNTING FACILITY
Terminal Type and Quantity14 PIN ALL FUNCTIONS
Coil Quantity1
Main Contact Maximum Voltage Rating in Volts115.0 AC AND 26.5 DC
Unthreaded Mounting Hole Diameter0.096 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Mounting Facility Type and Quantity2 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Duty TypeCONTINUOUS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5961-00-883-9495 INTERCHANGEABLE
Transistor
Cross-Reference Index
Part NumberManufacturer
64A7A13-2 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
3SAH1163A2 Communications Instruments Inc Div of Cii Technologies (USA)
3SAH1163A2 Genicom Corp (USA)
Related Parts
5961-00-883-9495INTERCHANGEABLE
TRANSISTOR

Frequently Asked Questions

What is NSN 5945-00-943-9278?

NSN 5945-00-943-9278 is a Relay,electromagnetic, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-00-943-9278?

NSN 5945-00-943-9278 has 3 cross-referenced part numbers: 64A7A13-2 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 3SAH1163A2 (Communications Instruments Inc Div of Cii Technologies), 3SAH1163A2 (Genicom Corp).

What NSN replaces 5945-00-943-9278?

There is 1 known substitute for 5945-00-943-9278: 5961-00-883-9495. Verify interchangeability with system specifications before substitution.

What are the specifications of 64A7A13-2?

Key specifications for 64A7A13-2: Operating Voltage Rating and Type at Specified Temp: 26.5 VOLTS DC 25 DEG CELSIUS SINGLE WINDING; Nonpile-Up Main Contact Arrangement: 4 POLE, DOUBLE THROW, ONE POSITION MOMENTARY; Center to Center Distance Between Mounting Facilities Parallel to Length: 1.200 INCHES NOMINAL SINGLE MOUNTING FACILITY IN; Winding DC Resistance Rating: 500.0 OHMS NOMINAL SINGLE WINDING. 18 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com