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 5960-00-617-9312
NSN 6135-00-100-8890
NSN 5930-01-340-8398
NSN 5975-01-488-4232
NSN 6240-01-532-5978
NSN 5915-01-301-1541
NSN 6645-01-255-7024
NSN 5975-00-900-5448
NSN 4140-01-620-1836
NSN 5996-00-161-4202
NSN 6620-00-135-0895
NSN 5999-01-044-9983