Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 42P3100-110 found under Paper Abrasive by Picatinny Arsenal. The National Stock Number assigned to this part is 5350001868821, and the Federal Supply Class is 5350 Abrasive Materials. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 42P3100-110.