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 5990-01-348-2497
NSN 6620-01-224-4985
NSN 7035-01-460-5117
NSN 6135-01-510-9986
NSN 5996-01-050-6910
NSN 6110-00-381-9785
NSN 5855-01-432-6172
NSN 5855-01-583-6497
NSN 5920-01-512-8586
NSN 5990-00-150-6979
NSN 6135-01-490-4422
NSN 5960-00-725-5380