A circular, single or multipiece item, metallic or nonmetallic in composition, designed to be fitted in a circumferential groove in a piston and to spring outward against the cylinder wall to function as a seal or wiper. It is supplied in various cross-sectional shapes and is cut through at one point to allow for installation in the piston ring groove. It may include an expander. Excludes packing, preformed; retainer, oil seal; retainer, packing; ring, retaining; ring wiper; and seal ring, metal.
Classification: Parts nesoi, of compressors other than refrigerating and air conditioning compressors
NSN 5935-01-111-4804
NSN 6135-00-913-2062
NSN 5945-00-872-4049
NSN 6220-01-257-9288
NSN 2925-01-458-5808
NSN 5910-01-381-5624
NSN 5935-01-535-6950
NSN 5855-01-191-3404
NSN 6150-01-044-1633
NSN 2925-01-074-9102
NSN 5996-01-257-0265
NSN 5945-01-227-3740