Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number PGS-25L-30-F found under Gage Pressure Dial Indicating by Omega Engineering Inc. The National Stock Number assigned to this part is 6685013968931, 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 PGS-25L-30-F.