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 6620-00-500-0041
NSN 5945-00-188-7062
NSN 6105-00-527-7702
NSN 5920-01-023-6818
NSN 6610-01-371-3006
NSN 6685-00-388-6763
NSN 5945-00-900-5518
NSN 5910-01-388-2895
NSN 6105-01-354-9170
NSN 6130-00-155-5873
NSN 5915-01-355-7537
NSN 6650-01-487-2597