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 5920-00-814-2328
NSN 5950-01-429-3376
NSN 6220-01-102-1954
NSN 6645-00-012-5834
NSN 6610-01-406-4985
NSN 5965-01-250-5768
NSN 5999-01-554-8198
NSN 5998-00-528-2352
NSN 6320-01-530-0588
NSN 6135-00-009-4100
NSN 5945-01-384-2241
NSN 6320-01-239-7647