Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number AV202-055 ITEM 91 found under Pin Cotter by Automatic Switch Company. The National Stock Number assigned to this part is 5315014752653, and the Federal Supply Class is 5315 Nails Machine Keys And Pins. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like AV202-055 ITEM 91.