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 5975-01-521-2235
NSN 6130-00-958-1064
NSN 5999-01-510-3077
NSN 4140-01-477-3809
NSN 6650-01-386-6711
NSN 5905-01-461-7995
NSN 2925-00-035-5633
NSN 6620-00-553-8988
NSN 7035-01-268-0933
NSN 5915-01-449-0114
NSN 6620-01-508-1996
NSN 5960-01-363-5951