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 5905-01-436-8253
NSN 5965-01-378-7335
NSN 5965-00-097-9654
NSN 6610-01-121-4925
NSN 6145-01-535-5959
NSN 5915-00-411-8944
NSN 6130-00-341-5175
NSN 5998-00-516-5086
NSN 6150-01-285-6068
NSN 5975-00-121-3589
NSN 5999-01-467-9980
NSN 5920-00-510-7656