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 6645-01-299-4966
NSN 5925-01-261-7872
NSN 6220-01-432-2831
NSN 5930-00-123-1940
NSN 5855-01-246-8273
NSN 5910-00-954-7865
NSN 6130-00-121-3696
NSN 2925-00-964-7128
NSN 5905-01-122-1986
NSN 4140-00-143-4772
NSN 6645-00-183-8812
NSN 6610-00-527-8892