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 6610-01-019-5827
NSN 6135-00-100-8890
NSN 5998-00-624-8510
NSN 5905-01-620-6985
NSN 6320-01-532-6746
NSN 5998-00-460-1686
NSN 5990-01-218-5160
NSN 5920-01-509-1041
NSN 5945-00-203-5575
NSN 6150-01-554-1262
NSN 5925-01-590-1623
NSN 6240-01-380-2127