Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 132X68D found under Valve Oxygen by Kerotest Manufacturing Corp. The National Stock Number assigned to this part is 4820002310811, and the Federal Supply Class is 4820 Valves Nonpowered. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 132X68D.