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 6145-01-568-0573
NSN 5935-00-343-7614
NSN 6110-01-121-8318
NSN 6650-01-384-1657
NSN 5996-01-010-3816
NSN 6645-00-287-9192
NSN 5996-00-632-0117
NSN 5935-01-534-9996
NSN 5960-01-641-5493
NSN 4140-01-345-0302
NSN 5905-01-062-5858
NSN 6220-00-595-6954