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 4140-00-504-1829
NSN 5945-00-410-9255
NSN 5975-00-571-8467
NSN 6135-01-306-6549
NSN 5905-00-197-7674
NSN 5930-01-604-9646
NSN 6130-01-412-1320
NSN 4140-01-595-0741
NSN 5998-01-429-8779
NSN 6130-01-279-8297
NSN 5960-01-486-3060
NSN 6645-01-383-7362