Used on fighter aircraft (f18 e/f). 3b thread class 24 thread quantity per inch collar, lobular-pin-river, threaded, shear optional lubrication is dry film with cetyl alcohol unjf thread series
Used on boeing b757 aircraft. 3b thread class 28 thread quantity per inch collar assembly, self aligning wrench end torque off at 75.0 to 90.0 inch pounds anodize body surface treated unjf thread series
Used on f/a-18 c/d. 3b thread class right-hand 28 thread quantity per inch furnished with 3 lobes equally spaced; "y" in part number indicates 1/3 2" oversize passivate surface treated unjf thread series
Used on tornado. 17-4ph stainless steel 1 mm grip variation-tension application material collar 17-4 ph stainless steel per AMS5643, washer 300 series stainless steel; heat treat to condition H1025 per mil-h-6875, collar only; finish collar solid film lube per mil-l-8937 passivate washer surface treated iso m thread series
