Used on mrap - unique nsn - 3 mrap variants. seal assy, radial lip type shaft material steel grade 1 or 1c cems a-6; bore material gray iron 305cems e-6; extraneous material clutch facing mat
Used on sentinel class fast response cutter b (frc-b). round bellows with cuff ends cuff id 3", cuff length 1-1/2", od 4-5/8", extended length 9" compressed length 2-1/4"; next higher assembly boat, 7.9 meter (frc-b)