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 5915-01-549-1506
NSN 6130-01-306-2536
NSN 5985-01-227-2035
NSN 5925-01-600-8927
NSN 5950-01-132-6433
NSN 6620-01-532-4147
NSN 5985-01-064-2948
NSN 5985-01-429-7759
NSN 2925-00-221-8529
NSN 5930-01-279-8402
NSN 5999-00-992-9933
NSN 5965-00-072-9942