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 6320-00-174-1362
NSN 6150-01-604-9808
NSN 6645-00-456-7653
NSN 6130-00-510-4399
NSN 5925-01-131-9115
NSN 5950-01-229-3601
NSN 6610-00-468-1958
NSN 5998-01-107-0504
NSN 5990-01-168-6797
NSN 6645-00-067-7070
NSN 6135-01-449-2144
NSN 5965-00-857-6622