e-312-21-0045-93-1 sealing ring , sealing ring ( in 6 parts ) with 2mm m / c allowance on id of strip ( hw-278.76 ) -- machining and assembly as per drg. 21060518030 rev.00 and cbom , sealing ring in 6 parts ( in finshed condition ) ( hw-287.55 ) -- machining and assembly as per drg. 21050509030 rev.00 and cbom scrap wt : 29.735 kg per no. , ring with sealing strip ( ref. drg. 01050609000 for assly with 2 mm allowance on id of strip ) * hw-287.60.a ) -- machining and assembly as per drg. 01050609000 rev.06 & 11050609001 rev.04 , sealing ring ( with 2mm allowance on id ) ( hw-351.27.b ) -- machining and assembly as per drg. 21050518010 rev.00 & cbom => limited