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 5996-01-610-6641
NSN 5920-01-259-4258
NSN 5965-01-464-0220
NSN 5930-00-597-5064
NSN 6110-01-150-5025
NSN 6240-01-486-0789
NSN 2925-00-373-8837
NSN 6650-01-436-3478
NSN 5835-01-608-8868
NSN 5925-01-646-0722
NSN 6135-01-138-8157
NSN 6110-00-578-7243