Inflator Gauge Cartridge Repair Kit

2 piece inflator gauge viewing window repair kit includes 1 replacement viewing window and 1 metal retaining ring. Can be used to repair Milton® inflator gauges #08-A1-501, #98-A1-501, #501, #502, #503, #S-504, #S-505®, #S-516®, #517, #518, #552, #553 and #556.