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 5990-00-779-5210
NSN 5905-00-279-6279
NSN 6645-01-383-0106
NSN 7035-01-412-9465
NSN 5985-01-526-2228
NSN 5990-01-507-1479
NSN 5855-01-042-7990
NSN 6645-01-413-3965
NSN 5855-00-138-2386
NSN 5996-01-135-9848
NSN 6620-01-552-2889
NSN 6610-00-330-6634