Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number GC101-1-2SE1NR found under O Ring by Ameridrives International Llc. The National Stock Number assigned to this part is 5331004767456, 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 GC101-1-2SE1NR.