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 6130-01-166-3332
NSN 6240-01-160-8499
NSN 6320-00-506-2314
NSN 5945-00-597-1458
NSN 5835-01-226-0714
NSN 6645-01-584-0892
NSN 5910-01-052-4460
NSN 6240-01-223-7842
NSN 6105-00-970-9074
NSN 6105-00-317-5688
NSN 5835-01-470-7700
NSN 6685-01-215-1204