Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number SK-0038 POS. 29 found under Gear Set Bevel Matched by Ships Machinery International Inc. The National Stock Number assigned to this part is 3020013334942, and the Federal Supply Class is 3020 Gear Pulley Sprocket And Transmission Chain. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like SK-0038 POS. 29.