![Aircraft carrier out at sea](https://cdn.sanity.io/images/bwa44qrg/production/ebb017f44daf3626592f80ba42687f33c9ede31e-2560x1707.jpg?auto=format&q=60&w=2560)
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](https://cdn.sanity.io/images/bwa44qrg/production/9fe7ad1eaec875b965f5571aa6b29dfe7ca6bcd1-2560x2263.jpg?q=60&w=1300)
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](https://cdn.sanity.io/images/bwa44qrg/production/23c002e28be72e940e230d063307ae1cbb4d0f0d-2560x1920.jpg?q=60&w=1300)
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