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 5930-01-533-9822
NSN 6320-01-290-0514
NSN 5910-01-200-6653
NSN 5930-01-517-9500
NSN 5950-00-410-9287
NSN 6150-01-413-6528
NSN 5935-01-437-1543
NSN 5965-01-030-0108
NSN 6610-01-575-8795
NSN 5895-01-560-5755
NSN 6145-01-173-1818
NSN 5925-01-651-3059