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 5945-01-029-3871
NSN 5965-00-161-3954
NSN 5835-01-610-5744
NSN 5990-01-254-2936
NSN 5925-01-456-0004
NSN 6135-00-874-6566
NSN 5990-01-134-7756
NSN 5985-00-587-4281
NSN 5999-01-618-3099
NSN 5920-00-907-5003
NSN 5905-00-227-7076
NSN 6610-01-348-0545