Used on GPU/5A. od 10.6800 in. nom, id 9.5500 in. nom, width 0.0295 in. nom, dia of undercut 9.6900 in. nom, width of undercut 0.0200 in. nom; silver coating 1.7.1 of mil-std-171, 0.0004-0.0008 thk, bake for 3hrs at 191c or 375f to relieve hydrogen embrittlement nickel surface treated
item is 2.209 in. outside dia; 1.241 in. inside dia.; 0.154 in. thick; inside dia. has keyway 0.118 in. high by 0.230 in. wide; rubber lip bonded to outside dia. is 0.042 in thick