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 5855-00-560-0110
NSN 5950-01-480-6523
NSN 5945-01-606-3052
NSN 6110-00-905-6148
NSN 6135-00-900-2139
NSN 5925-01-316-9458
NSN 5990-00-914-2487
NSN 6685-01-100-1672
NSN 6105-00-527-8571
NSN 4140-01-237-5799
NSN 4140-01-422-7319
NSN 5999-01-147-5684