Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number PF-42159 ITEM 112 found under Valve Globe by Enertec America Inc. The National Stock Number assigned to this part is 4820012970134, 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 PF-42159 ITEM 112.