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 6320-01-600-0787
NSN 5935-01-261-4760
NSN 5960-01-543-0235
NSN 6240-01-364-2080
NSN 6105-01-408-1307
NSN 5835-01-286-3600
NSN 6130-01-581-5791
NSN 6620-00-591-4029
NSN 5835-01-565-3411
NSN 5999-00-264-9504
NSN 5960-00-861-8369
NSN 5895-00-132-4207