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 5960-01-075-7732
NSN 5835-01-412-0344
NSN 5920-01-187-1014
NSN 5905-01-247-9359
NSN 6150-00-286-0827
NSN 6130-00-192-0246
NSN 4140-00-079-8453
NSN 5985-01-623-5944
NSN 5915-01-311-4135
NSN 6110-01-278-9835
NSN 5855-01-608-4351
NSN 6110-01-479-5584