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 7035-01-560-2623
NSN 6240-01-109-4680
NSN 6240-01-183-5425
NSN 5996-01-605-3377
NSN 5905-01-283-2911
NSN 5965-00-849-1313
NSN 5999-01-224-7260
NSN 4140-00-256-9913
NSN 5999-00-392-1916
NSN 5930-01-125-0984
NSN 5985-01-349-7340
NSN 5965-01-433-6629