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 6645-00-484-1992
NSN 6150-01-424-3948
NSN 6685-01-413-6487
NSN 6130-00-578-0869
NSN 5999-00-361-6409
NSN 5905-00-151-6653
NSN 5930-01-012-1939
NSN 5965-00-791-0964
NSN 6610-01-373-5949
NSN 6650-00-509-5248
NSN 5945-00-348-0662
NSN 5975-00-245-9626