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 2925-01-537-2069
NSN 5910-00-998-6939
NSN 5935-01-157-7168
NSN 5975-00-435-7744
NSN 5930-01-260-0300
NSN 6610-00-063-8489
NSN 5910-01-419-3246
NSN 5945-00-085-2281
NSN 5905-00-907-9971
NSN 6110-01-019-4907
NSN 6240-01-608-3269
NSN 5895-01-605-0529