Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number H2005B found under Vacuum Pump Reciprocating by Adrick Marine Group Inc. The National Stock Number assigned to this part is 4310014890544, 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 H2005B.