Other Hardware


Harper Engineering is a leader in locks for commercial aircraft interiors.


  • Overhead bin locks
  • Lock cylinders
  • Deadbolt locks
  • Cabinet locks
  • Custom-keyed locks

Oxygen Bottle Brackets

Harper Engineering designs and manufactures O2 bottle brackets used on all commercial aircraft flying today


  • Lightest possible weight
  • Custom designed, tested, and certified for your application


The scope of our design capability is shown below!!!


  • Seat fittings
  • Coat hooks
  • Hat clips
  • Door snubbers
  • Ball catches
  • Balance spring assemblies
  • Custom Hinges
  • Flight security hardware
  • Decorative washers
  • Pulley assemblies
  • Roller forks
  • Decompression latches

Don't see what you're looking for? Custom designed hardware is our specialty.