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 5920-01-256-4162
NSN 6610-00-831-5748
NSN 6320-01-116-3980
NSN 5985-00-883-0212
NSN 5895-01-634-0630
NSN 5855-01-483-2346
NSN 6220-01-243-6707
NSN 5835-01-250-2939
NSN 6145-01-554-6801
NSN 5950-00-392-0311
NSN 5960-01-250-5502
NSN 6620-00-105-3312