Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number GYR6D-42A found under Rivet Tubular by Meggitt Aircraft Braking Systems. The National Stock Number assigned to this part is 5320011908629, and the Federal Supply Class is 5320 Rivets. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like GYR6D-42A.