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 5996-01-425-1455
NSN 6620-00-459-1622
NSN 6685-00-905-6843
NSN 5965-01-299-8690
NSN 6650-00-698-5869
NSN 5999-01-316-1715
NSN 5985-00-038-3458
NSN 6145-01-206-9899
NSN 6145-00-758-9884
NSN 5998-00-153-1378
NSN 5965-01-064-2107
NSN 6130-01-018-7988