Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 3Z1 188 ITEM 4 found under Hose Assembly Nonme by Man Diesel And Turbo Ltd. The National Stock Number assigned to this part is 4720993011617, and the Federal Supply Class is 4720 Hose And Flexible Tubing. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 3Z1 188 ITEM 4.