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 6135-01-026-9960
NSN 5935-00-517-0849
NSN 5930-00-727-3006
NSN 6130-01-413-9825
NSN 5920-01-099-8998
NSN 5855-00-129-6055
NSN 5996-00-231-9322
NSN 5915-00-925-8346
NSN 5920-00-554-0437
NSN 5895-00-198-5537
NSN 4140-00-266-9132
NSN 6220-01-579-6112