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 5985-01-607-7541
NSN 5960-01-044-4902
NSN 5999-01-122-9192
NSN 5998-01-646-6228
NSN 5965-01-315-0373
NSN 6110-01-415-3343
NSN 5925-01-432-4987
NSN 5925-01-400-3002
NSN 6105-00-362-1361
NSN 5855-01-020-7982
NSN 6135-01-560-3173
NSN 5895-00-581-3969