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 7035-01-554-9928
NSN 5915-01-547-4655
NSN 5915-01-169-4091
NSN 5910-00-905-6371
NSN 2925-01-309-5007
NSN 5925-01-610-6695
NSN 5975-00-805-3860
NSN 5998-01-634-0604
NSN 5998-01-628-9299
NSN 5996-01-104-4161
NSN 5915-01-063-5908
NSN 6110-00-897-4594