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 5920-01-250-2502
NSN 5985-00-597-2966
NSN 6240-00-964-8864
NSN 6130-01-611-9084
NSN 5855-00-610-4052
NSN 5960-01-539-1956
NSN 6220-01-003-9126
NSN 2925-01-523-3607
NSN 5920-01-397-5598
NSN 6320-01-215-1133
NSN 2925-01-462-1620
NSN 6105-01-394-7048