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 6620-01-441-7896
NSN 5990-01-579-2711
NSN 5990-01-050-7535
NSN 5910-00-248-6899
NSN 6110-01-386-1536
NSN 5999-00-246-6304
NSN 6135-01-480-8121
NSN 6620-01-551-7922
NSN 5990-01-421-3325
NSN 6150-01-605-2807
NSN 6685-01-562-5603
NSN 5996-01-500-1830