Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number S1-8-007-H-39 found under Gage Compound Pressure Vacuum Di by Parmatic Pollution Control. The National Stock Number assigned to this part is 6685012596098, and the Federal Supply Class is . Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like S1-8-007-H-39.