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 5975-00-518-4977
NSN 5835-00-471-2660
NSN 6320-00-519-0770
NSN 6620-01-133-4193
NSN 6645-01-226-6573
NSN 5999-00-421-0173
NSN 5990-01-007-3806
NSN 5960-00-407-6018
NSN 5950-01-592-6725
NSN 5996-01-074-4328
NSN 6320-01-296-3181
NSN 5996-01-316-1233