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 6130-01-328-8108
NSN 5998-00-960-2156
NSN 6145-01-564-9204
NSN 5915-01-167-4739
NSN 5950-01-302-4098
NSN 5855-01-064-8961
NSN 5996-00-553-7348
NSN 5985-00-266-2094
NSN 6240-01-153-2861
NSN 6240-01-164-5019
NSN 6220-01-500-0740
NSN 6645-00-445-8143