Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number K52000A found under by Kaddis Mfg Corp. The National Stock Number assigned to this part is 4820002769041, 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 K52000A.