Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 1Z944-1 1 2HP found under Compressor Reciprocating by Grainger Div Of W W Grainger Inc. The National Stock Number assigned to this part is 4310004282089, and the Federal Supply Class is 4310 Compressors And Vacuum Pumps. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like 1Z944-1 1 2HP.