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 5950-01-413-8755
NSN 5895-00-871-8502
NSN 6610-01-277-6333
NSN 6685-01-559-6725
NSN 5990-00-389-0554
NSN 5990-01-231-9608
NSN 5855-01-068-3683
NSN 6105-01-131-1408
NSN 5999-00-271-1681
NSN 5935-00-939-8123
NSN 5935-00-506-5361
NSN 7035-01-589-2629