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 6110-00-492-9392
NSN 4140-00-113-8215
NSN 4140-01-495-3049
NSN 6150-00-928-4961
NSN 5855-01-136-1916
NSN 5930-00-416-7456
NSN 6130-01-279-5079
NSN 6130-00-314-4742
NSN 5985-00-126-4391
NSN 5999-01-547-3801
NSN 5950-00-584-4571
NSN 5945-01-110-6998