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Manufacture Part Number Miss Parker Hannifin 219-100-001 Innovative Solutions 9D-00659-1 SW 7H-659-79419 Manufacture & Part Numbers Table 1 I have had this Fuel Quantity Indicator  (Figure 1) for about 6 months or so. I have been stonewalled from ISI from getting any info. During Cockpit-Fest it was suggested that I cut the unit apart. Well this unit is solder sealed and I don't have a fire ring.. So out came my Multi-Max (Figure 8) and put a metal blade on it.. and well it took abo ...