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 6150-01-167-9104
NSN 5930-01-556-7138
NSN 5998-00-144-7137
NSN 5835-01-449-7511
NSN 5905-00-240-2871
NSN 6150-01-256-4987
NSN 5920-00-587-6935
NSN 6610-01-274-2479
NSN 6130-01-639-8149
NSN 5996-00-491-6961
NSN 4140-00-085-1355
NSN 6645-01-434-8265