Nassau Tool Works, Inc. was established in 1959; over its long history the company has made parts and sub-assemblies for many different military and civilian aircraft, as well as for the oil extraction and power generation industries. In 2012 Air Industries acquired Nassau Tool Works and since the acquisition we have greatly expanded our product offering, including landing gear and landing gear components.
Nassau Tool Works (NTW) supplies individual components that can be used to repair landing gear as well as complete landing gear for replacement on aircraft. NTW supplies parts, sub-assemblies, and complete landing gear for the US Air Force F-16 Fighting Falcon and the US Navy F-18 Hornet fighter aircraft. These products are sold directly to the Armed Services and also to foreign governments that operate these aircraft.
Nassau Tool is renowned for its extraordinary quality and its expertise in deep-hole drilling and trepanning.

Site Overview:

  • Located in West Babylon, NY
  • 60,000 sq. ft.
  • Large turning and vertical honing equipment for extensive deep hole drilling, honing, large turning and trepanning capability
  • Large deep hole drilling, gun drilling and trepanning equipment
  • Mill-turn fabrication to 120”
  • Provider of landing gear components to the US and international customers
  • NTW is licensed by Boeing, and certified by the US Government, to supply full-up F-18 landing gear
  • Full hydraulic testing and assembly capability
  • Strong reputation for high-quality, close-tolerance manufacturing

Specializes In

Large, complex parts requiring turning, milling, and grinding

Deep-hole Drilling, Gun drilling, and Trepanning


  • Landing gear assembly
  • Hydraulic assembly
  • Mechanical assembly

Engineering/Manufacturing Services

  • Liaison Engineering
  • Manufacturability Analysis
  • Barkhausen inspection
  • Hydraulic testing- cycle testing under continuous load

Products & Services

We manufacture complex hydraulic components and flight critical structural assemblies for landing gear.

Machining and Turning

  • Large turned parts from alloy steel, titanium, Inconel, and aluminum
  • Large diameter, deep holes via single tube drilling or gun drilling, trepanning.
  • Landing gear drag braces, shock struts, trunnions, pistons, cylinders, and axles.


  • Sub-assembly
  • Mechanical assembly (landing gear, piston assemblies)


  • Landing gear hydraulic testing- cycle testing under continuous load
  • Barkhausen Inspection

Supplier Management

  • Procurement Department
    • Raw materials (forgings, castings, plate, bar, and billet)
    • Detail parts (simple machined parts, sheet metal, electronic components)
    • Hardware and consumables
    • Heat treat, NDT, and metal finishing services (anodize, plating, HVOF)
  • Program Management
    • Provide visibility to customer regarding all elements of their program
    • Manage all sub-contractor efforts required to complete the program
    • Coordinate NTW efforts to ensure timely delivery of product

NTW Quality

  • AS9100 Rev. C
  • ISO 9001:2008


  • up to 1″ dia I.d. x 48″ deep
  • 1″ dia. I.d x60″ deep
  • 1″ to up to 2″ dia. I.d x 180″ deep
  • Materials include: Steel, Stainless Steel, Titanium, Aluminum, Cupro Nickel, and Inconel


  • 3/8″ I.d. x “call NTW with depth requirements
  • 3/4″ I.d. x 80″ deep
  • Materials include: Steel, Stainless Steel, Titanium, Aluminum, Cupro Nickel, and Inconel


  • up to 7″ Dia. I.d. x 96″ depth
  • Materials include: Steel, Stainless Steel, Titanium, Aluminum, Cupro Nickel, and Inconel
  • Key search words for website links: deep hole drilling, off center drilling, trepan, trepanning

Nassau Tool Works, Inc.

34 Lamar Street

West Babylon, NY 11704

Phone:  +1-631-643-5000