Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 99-1450197 found under Stud Valve by Nato Stock Number Assigned By An. The National Stock Number assigned to this part is 5307004521756, 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 99-1450197.