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 4140-00-155-8012
NSN 5920-00-421-0991
NSN 5930-01-347-0755
NSN 6145-01-084-6118
NSN 5910-00-417-7790
NSN 4140-01-423-6219
NSN 2925-01-489-1394
NSN 6145-01-288-7960
NSN 5965-01-332-9825
NSN 5895-00-590-8726
NSN 5895-01-038-6867
NSN 6220-00-227-8209