0.150" hole diameter 0.375" outside diameter washer consist of a type 300 stainless steel washer bonded to a neoprene washer, temperature range is -45 degrees to +250 degrees fahrenheit
Used on sub atmosphere control. 2.216" hole diameter 3.200" outside diameter 0.062" material thickness two internal keys 180 degrees apart 0.125 in. nom. thk