Cad Plated Hex Head Bolt, Undrilled Shank | AN5-53A aero cosmetics SearchTag ANR performance adds up to

ANR performance adds up to 22 dB of noise cancellation

From the DC-3’s early development

pilots enjoy having Boost Oxygen in their cabins if they begin to feel the minor effects caused by the altitude

Illustrations    Full Color Photographs

Helps expand headset compatibility without modifying aircraft wiring

Cad Plated Hex Head Bolt, Undrilled Shank | AN5-53A aero cosmetics SearchTag ANR performance adds up toBolt: Hex Head,Steel, Undrilled Shank 1Pk AN5 53A Aviation Hardware AN3 AN8 cadmium plated steel bolts (drilled and undrilled). CADMIUM PLATED BOLTS CONFORM TO QQ P 416; CORROSIONRESISTANT STEEL BOLT CONFORMS TO MIL B 6812. Available with or without single hole through shank and or single hole through head. Part numbers as shown are for drilled shanks (e. g., AN3 3); for undrilled shanks, add ''A'' at the end of the part number (e. g., AN3 3A); for