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 5965-01-065-5544
NSN 6220-01-051-3865
NSN 5999-01-462-7365
NSN 5975-00-782-6389
NSN 4140-00-802-2968
NSN 5999-01-278-0528
NSN 6620-00-663-8962
NSN 6110-01-211-9682
NSN 6150-01-408-5613
NSN 5996-00-376-5442
NSN 6650-01-654-8017
NSN 6145-01-064-4171