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 6135-01-603-8367
NSN 5985-00-225-8621
NSN 5990-00-285-1948
NSN 7035-00-919-3381
NSN 4140-00-307-2732
NSN 5905-01-523-8998
NSN 5930-00-528-5252
NSN 6110-01-364-0966
NSN 5930-01-101-1814
NSN 6150-01-314-0596
NSN 6610-01-320-9719
NSN 2925-00-258-5916