Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 660-022Z112H4-07 found under Coverprotectivedust And Moistu by H And H Industries Inc. The National Stock Number assigned to this part is 5340016774218, and the Federal Supply Class is 5340 Hardware Commercial. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 660-022Z112H4-07.