1)forged heat treated rough machined and ultrasonically tested retaining ring to drg. no. 34028042012#01, rev.04, size- 4661,-0 mm o/d x 4250,-2 mm i/d x 220 mm height, and spcn. no. bp19383. alternatively bp19381 or x4 crnimnmo n 19165 is also acceptable. qty: 8 no 2)forged heat treated rough machined and ultrasonically tested retaining ring to drg. no. 34028042016#01, rev. 04, size- 4901,-0 mm o/d x 4500,-2 mm i/d x 230 mm height, and spcn. no. bp19383. alternatively, bp19381 or x4 crnimnmo n19165 is also acceptable. qty: 11 no 3)forged heat treated rough machined and ultrasonically tested retaining ring to drg. no. 34028042020#01, rev. 04, size- 4241,-0 mm o/d x 3880,-2 mm i/d x190 mm height, and spcn. no. bp19383. alternatively, bp19381 or x4 crnimnmo n19165 is also acceptable. qty: 4 no 4)forged heat treated rough machined and ultrasonically tested retaining ring to drg. no. 34028042033#01, rev. 03, size- 5401,-0 mm o/d x 5040,-2 mm i/d x140 mm height, and spcn. no. bp19383. alternatively, bp19383 or x4 crnimnmo n19165 is also acceptable. qty: 4 no 5)forged heat treated rough machined and ultrasonically tested retaining ring to drg. no. 44028042035#01, rev. 08, size- 5900,-2 mm o/d x 5450,-2 mm i/d x 200 mm height, and spcn. no. bp19383. alternatively, bp19381 or x4 crnimnmo n19165 is also acceptable. qty: 2 no