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 6240-01-500-9461
NSN 6135-01-384-7155
NSN 7035-01-364-0286
NSN 5996-01-538-2841
NSN 5905-00-935-8481
NSN 5960-00-813-1526
NSN 6320-01-416-7993
NSN 5999-01-023-9417
NSN 4140-01-106-2559
NSN 5920-01-425-2754
NSN 6110-00-578-7243
NSN 6610-00-813-7023