Part Number: 1073976 (Lens opt.) Part Number: 1073977 (Sfs intec) Part Number: 107-398 (Adjuster a) Part Number: 107-398-1 (Adjuster a) Part Number: 107398-2 ((sleeve )repair) Part Number: 107398-3 ((sleeve )repair) Part Number: 1073984 (Sfs intec) Part Number: 1073985 (Sfs intec) Part Number: 107398-8 (Sleeve) Part Number: 1073989 (Sfs intec) Part Number: 107399 (On) Part Number: 1073990 (Sfs intec) Part Number: 107399-1 (Sleeve repair) Part Number: 107399-2 (Sleeve)