Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number HK936S20-2018 found under Bolt Machine by Raytheon Company. The National Stock Number assigned to this part is 5306008518341, and the Federal Supply Class is 5306 Bolts. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like HK936S20-2018.