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 5835-01-264-8782
NSN 5935-01-005-3739
NSN 4140-00-203-6586
NSN 5925-01-162-6321
NSN 6150-01-106-3467
NSN 4140-00-481-2665
NSN 5985-00-477-8165
NSN 5945-01-018-6391
NSN 6320-00-331-7138
NSN 6645-01-426-8621
NSN 6130-01-607-2813
NSN 5915-01-449-0859