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 5935-01-133-1152
NSN 5950-00-047-3831
NSN 6150-00-186-6821
NSN 6110-01-009-9178
NSN 5910-01-274-1278
NSN 6620-00-221-6639
NSN 5910-01-229-0187
NSN 7035-01-562-8692
NSN 2925-00-831-7024
NSN 5910-00-230-4427
NSN 6610-01-442-3509
NSN 5965-01-645-9432