PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

613737-5Relay,electromagnetic

Lockheed Martin Corp · NSN 5945-00-089-6062 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-089-6062 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-089-6062. Primary manufacturer part number: 613737-5.
Features
  • Relay,electromagnetic — FSC 5945
  • Time Delay: 1.00 SECONDS NOMINAL FIXED RELEASE TIME
  • Time Delay: 2.00 SECONDS NOMINAL FIXED OPERATE TIME
  • Environmental Protection: HERMETIC
  • Operating Voltage Rating and Type at Specified Temp: 115.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING
  • Mounting Facility Pattern: RECTANGULAR SINGLE MOUNTING FACILITY
  • FSC Application Data: RELAY ARMATURE,EXCEPT ENGINE
  • Frequency in Hertz: 320.0 NOMINAL
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Relay,electromagnetic, cataloged under National Stock Number 5945-00-089-6062, 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 Lockheed Martin Corp. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-00-089-6062
Primary Part Number613737-5
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerLockheed Martin Corp
StatusACTIVE
Time Delay1.00 SECONDS NOMINAL FIXED RELEASE TIME
Time Delay2.00 SECONDS NOMINAL FIXED OPERATE TIME
Environmental ProtectionHERMETIC
Operating Voltage Rating and Type at Specified Temp115.0 VOLTS AC 25 DEG CELSIUS SINGLE WINDING
Mounting Facility PatternRECTANGULAR SINGLE MOUNTING FACILITY
FSC Application DataRELAY ARMATURE,EXCEPT ENGINE
Frequency in Hertz320.0 NOMINAL
Main Contact Load Current Rating at Maximum Rated Voltage5.0 AMPERES AC AND 5.0 AMPERES DC RESISTIVE LOAD
Coil Quantity1
Center to Center Distance Between Mounting Facilities Parallel to Width1.687 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Duty TypeCONTINUOUS
Nonpile-Up Main Contact Arrangement1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
Main Contact Maximum Voltage Rating in Volts115.0 AC AND 28.0 DC
Center to Center Distance Between Mounting Facilities Parallel to Length2.250 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Unthreaded Mounting Hole Diameter0.179 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Mounting Facility Type and Quantity4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Winding Quantity2
Terminal Type and Quantity7 PIN ALL FUNCTIONS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5331-00-059-874912565 INTERCHANGEABLE
O-Ring
Westerbeke Corporation
3110-00-902-1643116C3149-9 INTERCHANGEABLE
Bearing,roller,needle
Timken Aerospace, Inc Dba Torrington Product
3439-01-254-5711 INTERCHANGEABLE
Electrode,welding
5133-01-348-6777 INTERCHANGEABLE
Drill,twist
4940-01-399-6303 INTERCHANGEABLE
Blast Cleaning Cabinet
Cross-Reference Index
Part NumberManufacturer
1256-5-00 Curtiss-Wright Controls Electronic Systems, Inc. (USA)
1256-5 Curtiss-Wright Controls Electronic Systems, Inc. (USA)
613737-5 PRIMARY Lockheed Martin Corp (USA)
Related Parts
5331-00-059-8749INTERCHANGEABLE
O-RING
12565
3110-00-902-1643INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
116C3149-9
3439-01-254-5711INTERCHANGEABLE
ELECTRODE,WELDING
5133-01-348-6777INTERCHANGEABLE
DRILL,TWIST
4940-01-399-6303INTERCHANGEABLE
BLAST CLEANING CABINET

Frequently Asked Questions

What is NSN 5945-00-089-6062?

NSN 5945-00-089-6062 is a Relay,electromagnetic, manufactured by Lockheed Martin Corp, classified under FSC 5945 (No Item Name Available). Status: active.

What are the part numbers for NSN 5945-00-089-6062?

NSN 5945-00-089-6062 has 3 cross-referenced part numbers: 1256-5-00 (Curtiss-Wright Controls Electronic Systems, Inc.), 1256-5 (Curtiss-Wright Controls Electronic Systems, Inc.), 613737-5 (Lockheed Martin Corp).

What NSN replaces 5945-00-089-6062?

There are 5 known substitutes for 5945-00-089-6062: 5331-00-059-8749, 3110-00-902-1643, 3439-01-254-5711 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 613737-5?

Key specifications for 613737-5: Overall Height: 1.500 INCHES NOMINAL IN; Time Delay: 1.00 SECONDS NOMINAL FIXED RELEASE TIME; Time Delay: 2.00 SECONDS NOMINAL FIXED OPERATE TIME; Environmental Protection: HERMETIC. 21 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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