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 4140-01-240-8667
NSN 5925-01-025-7008
NSN 6150-01-178-7718
NSN 6685-00-776-1730
NSN 5960-01-398-9538
NSN 5915-01-519-2234
NSN 5990-00-724-4375
NSN 6610-01-617-9788
NSN 6610-00-553-5103
NSN 5998-01-410-5072
NSN 5905-01-249-7859
NSN 6135-01-399-8230