Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 5972 found under Screw Cap Hexagon Head by Terex Reedrill Dba Reedrill Texoma. The National Stock Number assigned to this part is 5305000213806, and the Federal Supply Class is 5305 Screws. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 5972.