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 5930-01-055-8133
NSN 5996-01-130-5128
NSN 5915-01-289-1187
NSN 5935-01-115-2659
NSN 5975-01-110-4375
NSN 5895-01-591-7720
NSN 6220-01-429-4626
NSN 5998-01-573-6064
NSN 5920-01-199-5522
NSN 5855-01-453-1549
NSN 6220-01-111-9730
NSN 5835-01-250-9940