Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 402-0177 found under Hosepreformed by Marvin Land Systems Inc. The National Stock Number assigned to this part is 4720016871020, 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 402-0177.