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 4140-01-364-9797
NSN 6105-00-222-4762
NSN 5925-00-223-9552
NSN 5999-01-284-0552
NSN 6240-01-019-8068
NSN 5915-00-209-9110
NSN 6220-01-139-7340
NSN 5925-00-732-7530
NSN 7035-01-614-6650
NSN 4140-01-219-4754
NSN 5965-00-009-8679
NSN 6220-01-438-5823