Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number 61B1B0100 found under Gage Absolute Pressure Dial Indi by Wika Holding Lp. The National Stock Number assigned to this part is 6685000925612, 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 61B1B0100.