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 6130-01-202-5780
NSN 5960-00-018-3477
NSN 5895-01-499-2116
NSN 5960-01-124-0182
NSN 5998-01-512-8592
NSN 6620-01-118-7588
NSN 5945-00-613-5162
NSN 5999-01-361-8535
NSN 6610-01-392-0231
NSN 5935-01-211-5763
NSN 6135-01-268-7056
NSN 5910-00-383-9557