2a single mounting facility thread class 0.375" single mounting facility thread length 1.937" overall length circular wafer, bushing mount unef single mounting facility thread series
Used on 3930-00-738-5938. rubber, synthetic, black, oil resistant, 2.875 in. min/2.885 in. max od, 0.583in. min/0.593 in. max h, four mtg holes 0.155 in. dia equally spaced on 2.500 in. bolt circle