Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number HS50020-5 found under Insert Screw Thread by Groov Pin Corporation. The National Stock Number assigned to this part is 5325009391025, and the Federal Supply Class is 5325 Fastening Devices. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like HS50020-5.