Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 01 87 found under Seal by Donallco Inc. The National Stock Number assigned to this part is 2995004419830, and the Federal Supply Class is 2995 Miscellaneous Engine Accessories Aircraft. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 01 87.