Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number HS 1422 S54 2 AS 080 DAS found under Cylinder Assembly A by Bauer Nilsen A S. The National Stock Number assigned to this part is 1650251502423, and the Federal Supply Class is 1650 Aircraft Hydraulic Vacuum And De-Icing System Components. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like HS 1422 S54 2 AS 080 DAS.