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 2925-01-359-4027
NSN 6150-01-364-8184
NSN 5990-00-524-2293
NSN 5920-00-480-1228
NSN 6650-00-917-0436
NSN 6685-01-634-0611
NSN 5996-01-063-6556
NSN 6110-00-709-0472
NSN 5960-01-523-9098
NSN 5999-01-432-1147
NSN 5905-00-397-8477
NSN 5996-00-372-4528