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 6130-01-227-5538
NSN 6610-01-606-2144
NSN 5945-01-029-8772
NSN 5965-01-053-7168
NSN 5945-01-569-5674
NSN 5999-01-468-9237
NSN 6320-00-225-7013
NSN 4140-01-160-8934
NSN 5920-01-485-3788
NSN 5998-00-093-5823
NSN 6610-01-359-9962
NSN 6110-01-606-1508