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 5920-01-421-0291
NSN 6130-01-133-0848
NSN 5935-00-406-4278
NSN 5930-01-267-1420
NSN 5998-00-221-1594
NSN 5835-01-160-7282
NSN 6130-00-647-8471
NSN 6135-01-111-1495
NSN 5975-00-926-0637
NSN 5950-00-919-3793
NSN 4140-01-349-5320
NSN 5990-01-188-7309