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 5990-01-360-2900
NSN 5975-01-435-4604
NSN 5855-00-149-0766
NSN 6645-01-060-7988
NSN 6150-00-982-2785
NSN 6110-01-245-1881
NSN 5930-01-259-9009
NSN 5985-00-061-3182
NSN 6650-01-414-4946
NSN 6135-00-009-4100
NSN 6620-00-556-1976
NSN 6105-01-621-8677