Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number KTS-420-14 found under Stud Self Locking by Usm Corp. The National Stock Number assigned to this part is 5307012353231, and the Federal Supply Class is 5307 Studs. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like KTS-420-14.