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 6110-01-654-5721
NSN 6685-01-540-4295
NSN 5960-01-375-5231
NSN 5950-01-610-4188
NSN 5915-00-248-5824
NSN 5920-00-413-3341
NSN 6220-01-192-3451
NSN 5855-00-055-1579
NSN 5965-01-412-5946
NSN 5935-01-504-9786
NSN 2925-01-408-9485
NSN 5920-01-274-1279