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 6650-01-134-3644
NSN 6620-01-103-7508
NSN 5855-01-506-4610
NSN 6145-01-003-8665
NSN 5965-01-260-2547
NSN 6240-01-309-1806
NSN 5930-00-498-1882
NSN 6130-00-832-3868
NSN 5950-01-617-1342
NSN 5920-00-257-2950
NSN 5985-00-426-8860
NSN 4140-01-203-4716