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 4140-01-386-6688
NSN 5855-01-130-1501
NSN 5910-00-673-4076
NSN 5915-01-023-5935
NSN 6240-01-595-3594
NSN 6320-00-422-9006
NSN 5855-01-216-7633
NSN 6135-01-581-8163
NSN 7035-00-104-7613
NSN 5915-00-436-7831
NSN 5985-01-323-7917
NSN 6610-00-080-2985