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 5998-01-399-2316
NSN 4140-01-400-3610
NSN 5910-00-682-2543
NSN 5855-00-879-7245
NSN 5990-01-527-7640
NSN 6130-01-544-7811
NSN 5920-01-235-6477
NSN 5915-00-688-5875
NSN 6220-01-479-0668
NSN 6135-01-495-0933
NSN 6685-01-130-3471
NSN 6240-01-648-6370