Used on aircraft, harrier av-8b. 2a thread class right-hand 0.250" thread length 4.83mm outside diameter one end slotted 0.060 in. wide by 0.060 in. deep passivate surface treated
Used on relief valve. 7.562" outside diameter eight 0.812 in. dia holes around outer edge, equally spaced on 6.000 in. dia bolt circle, 0.062 in. thk tab on edge of restrictor