Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number CLS1621 found under Chamois Leather Sheepskin by Iris Technology Corporation. The National Stock Number assigned to this part is 8330002572494, and the Federal Supply Class is 8330 Leather. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like CLS1621.