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 5998-00-954-1720
NSN 5905-01-384-3680
NSN 6610-00-152-7216
NSN 6145-01-258-4738
NSN 6685-00-974-0405
NSN 5855-00-132-1007
NSN 2925-00-961-2117
NSN 6610-01-099-0303
NSN 5895-00-153-2595
NSN 5930-01-563-3139
NSN 5920-01-590-6263
NSN 5999-01-356-5489