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 6650-01-207-0829
NSN 6220-01-145-4993
NSN 6150-00-444-9663
NSN 4140-01-308-9425
NSN 5998-00-585-0083
NSN 5835-01-111-0969
NSN 6240-01-037-0975
NSN 6610-01-285-8444
NSN 5905-01-355-8919
NSN 4140-00-945-4055
NSN 5935-01-617-6292
NSN 6240-01-381-1072