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 5930-01-302-0682
NSN 6685-01-159-0066
NSN 2925-01-371-6853
NSN 4140-01-456-3681
NSN 5855-01-270-6847
NSN 5925-01-351-2312
NSN 5960-00-987-1897
NSN 6130-01-444-0557
NSN 2925-01-038-7625
NSN 6240-00-313-2515
NSN 7035-01-352-6235
NSN 5990-01-246-2488