Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 9978M42P01 found under Disk Metering by Tss Technologies Inc. The National Stock Number assigned to this part is 2995011717243, 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 9978M42P01.