Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 272 102 1 found under Seat Valve by Triumph Accessory Services Grand. The National Stock Number assigned to this part is 4820009237891, and the Federal Supply Class is 4820 Valves Nonpowered. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 272 102 1.