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 5895-00-163-6420
NSN 5855-00-489-6754
NSN 6620-01-472-6461
NSN 5930-00-170-4541
NSN 6620-00-199-8734
NSN 5965-01-607-0632
NSN 5945-01-106-1703
NSN 5975-00-413-4428
NSN 6240-01-361-8797
NSN 5990-01-177-2838
NSN 6620-01-192-6186
NSN 6150-01-623-6944