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 5996-01-260-2993
NSN 5895-01-587-7873
NSN 5935-00-903-8933
NSN 5920-00-401-0217
NSN 6610-01-431-8575
NSN 5945-01-264-2824
NSN 6610-01-426-5090
NSN 6620-01-416-1757
NSN 6645-00-614-5302
NSN 5895-00-482-0013
NSN 5998-00-670-9948
NSN 6620-01-371-1655