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 5960-01-073-8454
NSN 5915-00-391-5735
NSN 5965-01-392-9343
NSN 6610-01-370-3886
NSN 4140-00-285-6042
NSN 5999-01-425-1879
NSN 6240-01-406-4042
NSN 6105-01-493-5532
NSN 5835-01-362-8367
NSN 5975-01-201-4108
NSN 7035-01-174-7878
NSN 5935-01-467-9084