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 6620-01-197-7665
NSN 6645-00-772-0532
NSN 5965-00-726-3168
NSN 5855-01-159-1654
NSN 5915-01-147-8959
NSN 5855-00-482-9876
NSN 5990-01-578-5382
NSN 7035-01-049-6776
NSN 5895-01-237-6425
NSN 6220-01-069-8267
NSN 6145-01-052-3167
NSN 5920-01-459-1966