Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number RC1188 found under Mortar Refractory by Saint Gobain Abrasives Inc. The National Stock Number assigned to this part is 9350001533112, and the Federal Supply Class is 9350 Refractors And Fire Surfacing Materials. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like RC1188.