PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3318-2Relay,electromagnetic

Te Connectivity Corporation · NSN 5945-00-553-9709 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-553-9709 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-553-9709. Primary manufacturer part number: 3318-2.
Features
  • Relay,electromagnetic — FSC 5945
  • Unthreaded Mounting Hole Diameter: 0.221 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
  • Center to Center Distance Between Mounting Facilities Parallel to Width: 4.000 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
  • Nonpile-Up Main Contact Arrangement: 6 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION
  • Main Contact Maximum Voltage Rating in Volts: 115.0 AC
  • Operating Voltage Rating and Type at Specified Temp: 115.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING
  • Mounting Facility Pattern: RECTANGULAR SINGLE MOUNTING FACILITY
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 6.000 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-00-553-9709, 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 Te Connectivity Corporation. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-00-553-9709
Primary Part Number3318-2
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerTe Connectivity Corporation
StatusACTIVE
Unthreaded Mounting Hole Diameter0.221 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Center to Center Distance Between Mounting Facilities Parallel to Width4.000 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Nonpile-Up Main Contact Arrangement6 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION
Main Contact Maximum Voltage Rating in Volts115.0 AC
Operating Voltage Rating and Type at Specified Temp115.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING
Mounting Facility PatternRECTANGULAR SINGLE MOUNTING FACILITY
Center to Center Distance Between Mounting Facilities Parallel to Length6.000 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Winding Quantity1
Environmental ProtectionFUNGUS PROOF AND WATERTIGHT
Coil Quantity1
Frequency in Hertz60.0 NOMINAL
Main Contact Load Current Rating at Maximum Rated Voltage30.0 AMPERES AC RESISTIVE LOAD
Terminal Type and Quantity14 PIN ALL FUNCTIONS
Mounting Facility Type and Quantity4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Duty TypeCONTINUOUS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5930-00-073-661333182 INTERCHANGEABLE
Switch,flow
Setra Systems, Inc. Dba Gems Sensors
5935-00-258-98973193664-2 INTERCHANGEABLE
Jack,tip
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
2940-00-362-083013219E3952 INTERCHANGEABLE
Filter Element,fluid
Cecom Lr Center
5306-00-792-82529412018 INTERCHANGEABLE
Bolt,machine
Rolls-Royce Solutions America Inc
1630-00-834-722733-182 INTERCHANGEABLE
Adapter,axle,wheel and Bearing
Goodrich Corporation Div Collins Aerospace, Landing Systems (wheels & Brakes)
5133-00-988-5692 INTERCHANGEABLE
Drill,twist
Cross-Reference Index
Part NumberManufacturer
L218833-1 Raytheon Company Dba Raytheon Co (USA)
3318-2 Te Connectivity Corporation (USA)
3318-2 PRIMARY Te Connectivity Corporation (USA)
3318-2 North American Philips Corp (USA)
3318-2 Airpax Corporation Llc Dba Airpax Corporation Llc (USA)
Related Parts
5930-00-073-6613INTERCHANGEABLE
SWITCH,FLOW
33182
5935-00-258-9897INTERCHANGEABLE
JACK,TIP
3193664-2
2940-00-362-0830INTERCHANGEABLE
FILTER ELEMENT,FLUID
13219E3952
5306-00-792-8252INTERCHANGEABLE
BOLT,MACHINE
9412018
1630-00-834-7227INTERCHANGEABLE
ADAPTER,AXLE,WHEEL AND BEARING
33-182
5133-00-988-5692INTERCHANGEABLE
DRILL,TWIST

Frequently Asked Questions

What is NSN 5945-00-553-9709?

NSN 5945-00-553-9709 is a Relay,electromagnetic, manufactured by Te Connectivity Corporation, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-00-553-9709?

NSN 5945-00-553-9709 has 5 cross-referenced part numbers: L218833-1 (Raytheon Company Dba Raytheon Co), 3318-2 (Te Connectivity Corporation), 3318-2 (Te Connectivity Corporation), 3318-2 (North American Philips Corp), 3318-2 (Airpax Corporation Llc Dba Airpax Corporation Llc).

What NSN replaces 5945-00-553-9709?

There are 6 known substitutes for 5945-00-553-9709: 5930-00-073-6613, 5935-00-258-9897, 2940-00-362-0830 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3318-2?

Key specifications for 3318-2: Unthreaded Mounting Hole Diameter: 0.221 INCHES NOMINAL SINGLE MOUNTING FACILITY IN; Center to Center Distance Between Mounting Facilities Parallel to Width: 4.000 INCHES NOMINAL SINGLE MOUNTING FACILITY IN; Nonpile-Up Main Contact Arrangement: 6 POLE, SINGLE THROW, NORMALLY CLOSED, MOMENTARY ACTION; Main Contact Maximum Voltage Rating in Volts: 115.0 AC. 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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