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 2925-01-519-6726
NSN 5835-00-589-6300
NSN 5920-01-005-0161
NSN 6645-01-188-5237
NSN 5965-01-148-4979
NSN 5915-01-427-9857
NSN 6685-01-212-8090
NSN 6145-01-365-7801
NSN 5855-00-610-4052
NSN 6105-00-945-8214
NSN 5960-01-530-0581
NSN 6145-01-171-8160