PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

740101-1Relay,electromagnetic

Lockheed Martin Corp · NSN 5945-00-988-3646 · FSC 5945 · No Item Name Available
Verified by PartsTable
NSN 5945-00-988-3646 — this item is cataloged by the U.S. Government under National Stock Number 5945-00-988-3646. Primary manufacturer part number: 740101-1.
Features
  • Relay,electromagnetic — FSC 5945
  • Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
  • Coil Quantity: 1
  • Pile-Up Main Contact Form Arrangement: 2C
  • Mounting Facility Pattern: IN-LINE SINGLE MOUNTING FACILITY
  • Main Contact Load Current Rating at Maximum Rated Voltage: 10.0 AMPERES DC RESISTIVE LOAD
  • Time Delay: 1.00 SECONDS NOMINAL FIXED RELEASE TIME
  • Unthreaded Mounting Hole Diameter: 0.173 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 5945-00-988-3646, 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 14 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5945-00-988-3646
Primary Part Number740101-1
Item NameRelay,electromagnetic
FSC / FSG5945 / 59 — No Item Name Available
ManufacturerLockheed Martin Corp
StatusACTIVE
Mounting Facility Type and Quantity4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY
Coil Quantity1
Pile-Up Main Contact Form Arrangement2C
Mounting Facility PatternIN-LINE SINGLE MOUNTING FACILITY
Main Contact Load Current Rating at Maximum Rated Voltage10.0 AMPERES DC RESISTIVE LOAD
Time Delay1.00 SECONDS NOMINAL FIXED RELEASE TIME
Unthreaded Mounting Hole Diameter0.173 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Duty TypeCONTINUOUS
Terminal Type and Quantity8 PIN ALL FUNCTIONS
Environmental ProtectionHERMETIC
Winding Quantity1
Main Contact Maximum Voltage Rating in Volts30.0 DC
Operating Voltage Rating and Type at Specified Temp30.0 VOLTS DC 25 DEG CELSIUS SINGLE WINDING
Center to Center Distance Between Mounting Facilities Parallel to Length2.125 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5999-00-583-7510 INTERCHANGEABLE
Contact Assembly,electrical
2010-00-779-6256 INTERCHANGEABLE
Drive Pin
6625-00-869-8882 INTERCHANGEABLE
Voltmeter
5365-01-068-7543221-689 INTERCHANGEABLE
Plug,machine Thread,magnetic
Cnh Industrial America Llc Dba Cnh America
5962-01-078-2554932883-8 INTERCHANGEABLE
Microcircuit,memory
Raytheon Company Dba Raytheon
Cross-Reference Index
Part NumberManufacturer
740101-1 Lockheed Martin Corp (USA)
A32668 Vdo Control Systems Inc (USA)
1799-1 Curtiss-Wright Controls Electronic Systems, Inc. (USA)
Related Parts
5999-00-583-7510INTERCHANGEABLE
CONTACT ASSEMBLY,ELECTRICAL
2010-00-779-6256INTERCHANGEABLE
DRIVE PIN
6625-00-869-8882INTERCHANGEABLE
VOLTMETER
5365-01-068-7543INTERCHANGEABLE
PLUG,MACHINE THREAD,MAGNETIC
221-689
5962-01-078-2554INTERCHANGEABLE
MICROCIRCUIT,MEMORY
932883-8

Frequently Asked Questions

What is NSN 5945-00-988-3646?

NSN 5945-00-988-3646 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 5945-00-988-3646?

NSN 5945-00-988-3646 has 3 cross-referenced part numbers: 740101-1 (Lockheed Martin Corp), A32668 (Vdo Control Systems Inc), 1799-1 (Curtiss-Wright Controls Electronic Systems, Inc.).

What NSN replaces 5945-00-988-3646?

There are 5 known substitutes for 5945-00-988-3646: 5999-00-583-7510, 2010-00-779-6256, 6625-00-869-8882 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 740101-1?

Key specifications for 740101-1: Overall Length: 2.600 INCHES NOMINAL IN; Overall Height: 2.340 INCHES NOMINAL IN; Mounting Facility Type and Quantity: 4 UNTHREADED HOLE(S) SINGLE MOUNTING FACILITY; Coil Quantity: 1. 17 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