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 6150-00-518-2125
NSN 5965-00-150-1144
NSN 6110-00-968-8284
NSN 6135-01-071-4923
NSN 5895-00-753-5349
NSN 6645-01-005-1885
NSN 5950-01-634-0677
NSN 5998-01-564-0586
NSN 6620-01-591-1331
NSN 6610-00-382-0266
NSN 2925-00-168-2287
NSN 5935-01-361-9200