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 5960-00-170-9614
NSN 5935-01-330-0528
NSN 5950-01-333-6120
NSN 6110-00-288-4179
NSN 6220-01-067-8142
NSN 6150-00-272-7949
NSN 5999-01-351-6368
NSN 6150-01-386-3071
NSN 5950-01-381-2994
NSN 5996-00-583-9498
NSN 6620-00-115-9050
NSN 6145-01-406-9198