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 5999-00-552-5071
NSN 6145-00-198-5675
NSN 6610-00-596-9883
NSN 5990-01-607-3528
NSN 5990-01-191-9624
NSN 6320-01-519-8767
NSN 5895-00-812-6914
NSN 6135-01-270-8601
NSN 6220-01-600-6789
NSN 5998-00-954-5816
NSN 5920-00-633-0404
NSN 6110-00-402-7637