Includes
Aircraft Propellers; Propeller Blades, Cams, Cones, Hubs, Nuts, and Spinners; Test Clubs; Synchronizers; Power Control Units; Integral Oil Control Measures and Propeller Governors.

Excludes
Rotary Rudder and Rotary Wing Blades (FSC 1615).

Possible NAICS Codes
336413 – Other Aircraft Parts and Auxiliary Equipment Manufacturing
332722 – Bolt, Nut, Screw, Rivet, and Washer Manufacturing
332812 – Metal Coating, Engraving (except Jewelry and Silverware), and Allied Services to Manufacturers
332999 – All Other Miscellaneous Fabricated Metal Product Manufacturing
333998 – All Other Miscellaneous General Purpose Machinery Manufacturing