Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 222-0-034 REV A ITEM NO.1 found under Adjusting Device Belt Chain Tens by Maritime Applied Physics Corporation. The National Stock Number assigned to this part is 2990016643901, and the Federal Supply Class is 2990 Miscellaneous Engine Accessories Nonaircraft. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 222-0-034 REV A ITEM NO.1.