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 6620-00-022-8056
NSN 6145-01-464-9653
NSN 5960-00-818-8949
NSN 2925-00-936-9344
NSN 5990-01-525-2250
NSN 5915-01-450-5877
NSN 5965-00-289-6280
NSN 5855-01-398-4965
NSN 5985-01-499-1583
NSN 5905-01-414-6970
NSN 6105-00-041-0131
NSN 5910-00-722-2256