Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1C4-5000-00 (4 X 4 found under Mine Resistant Vehi by General Dynamics Land Systems. The National Stock Number assigned to this part is 2355015198173, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 1C4-5000-00 (4 X 4.