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 5925-00-734-1441
NSN 5915-00-446-9136
NSN 4140-00-200-9082
NSN 6610-01-394-3808
NSN 5985-00-920-5204
NSN 6110-01-551-8753
NSN 5895-01-614-8916
NSN 6135-01-492-5717
NSN 5905-00-216-6576
NSN 5855-01-054-5243
NSN 5999-01-264-3393
NSN 6220-01-200-3410