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 5935-01-160-0013
NSN 5915-01-435-7893
NSN 6145-01-410-8322
NSN 4140-01-413-0214
NSN 5925-01-062-4831
NSN 6110-01-579-5162
NSN 5996-01-316-1233
NSN 5935-01-627-1745
NSN 5855-00-014-5008
NSN 5985-00-953-1519
NSN 6220-01-195-6637
NSN 5999-01-040-4585