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 2925-00-899-4261
NSN 2925-01-325-3974
NSN 6130-01-010-3254
NSN 5996-01-614-3619
NSN 2925-00-660-8131
NSN 5930-01-587-1383
NSN 6320-00-336-9123
NSN 6320-01-046-5228
NSN 5965-01-050-4133
NSN 6650-01-506-5636
NSN 2925-01-164-9579
NSN 5910-00-133-2952