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 5996-01-580-1975
NSN 5905-01-434-5015
NSN 5855-01-456-2340
NSN 5960-01-512-0233
NSN 5996-01-298-9054
NSN 5930-01-309-8451
NSN 2925-00-234-7918
NSN 5930-01-141-5842
NSN 6320-01-029-2196
NSN 5905-01-634-0595
NSN 6620-00-004-5466
NSN 5920-00-694-0483