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 6610-00-912-5039
NSN 6645-01-254-0490
NSN 6610-01-397-4607
NSN 5985-01-310-6373
NSN 5935-01-464-4230
NSN 5999-01-497-3450
NSN 5905-01-381-0638
NSN 6650-00-482-8340
NSN 6105-00-947-4473
NSN 5935-00-318-1687
NSN 6685-00-113-1888
NSN 4140-00-724-1296