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 5960-00-057-4399
NSN 5945-00-909-4274
NSN 5960-01-641-5493
NSN 5999-00-988-5414
NSN 5998-01-543-4592
NSN 5996-01-477-6709
NSN 6130-00-521-8303
NSN 6610-01-044-4740
NSN 5999-01-025-7490
NSN 5950-01-597-7576
NSN 6145-00-444-9679
NSN 5835-01-238-3381