Aircraft carrier out at sea

Marine & Naval Defense

Precision Machined Components for Defense, Military & National Security

Naval system components

Precision machined components for naval systems — submarine, surface, air. With lives at stake, maritime operators worldwide trust Hunting components for numerous essential systems.

We offer:

  • the highest reliability for subsea pressure ratings, harsh saltwater service conditions, and acute mechanical forces;
  • unrivaled deep bore machining, cutting edge manufacturing, and expert craftsmanship;
  • close-tolerance tubes and shafts up to 600mm diameter, with lengths over 12 meters;
  • intricate bore profiles: tapers, cones, radii, blind holes, undercut-grooves, etc;
  • machining of all marine grade alloys, including CR-25 Super Duplex, 410 CRES, Monel, and BeCu;
  • hydrostatic pressure testing to 13,000kPa (2,000 psi).

Hunting Dearborn’s manufacturing operations in Fryeburg are ISO 9001:2015 certified and SUBSAFE level 1 compliant.

Aircraft carrier out at sea

Surface Vessels

  • Aircraft Carrier Deck Blast Shield Actuators
  • Elevator Cylinders
  • Water Brake Spears
  • Fuel Rod Housings
  • Valve Bonnets & Cylinders
  • Reactor Control Rod Drive Housings
  • Reactor Fuel Rod Housings
  • Pump Rotors & Housings
  • Propeller & Propulsion Shafts
  • Actuator Rods, Pistons and Cylinders
  • Sonde Housings for Sonar and Seismic
Submarine in dock

Submarines & Submersibles

  • Periscope Tubes
  • Radar Mast Tubes
  • Fuel Rod Housings
  • Valve Bonnets & Cylinders
  • Reactor Control Rod Drive Housings
  • Reactor Fuel Rod Housings
  • Pump Rotors & Housings