Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number JH6164 found under Spacer Air Seal by Sigma Tek Inc. The National Stock Number assigned to this part is 5365001815815, and the Federal Supply Class is 5365 Bushings Rings Shims And Spacers. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like JH6164.