Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 42-3842PC4 found under Pad Cushioning by H R Simon And Company Inc. The National Stock Number assigned to this part is 5340014449705, and the Federal Supply Class is 5340 Hardware Commercial. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 42-3842PC4.