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 4140-00-270-8075
NSN 5996-00-778-4735
NSN 5950-01-476-8851
NSN 5910-01-218-5413
NSN 6110-01-168-8077
NSN 6105-01-434-1893
NSN 5998-00-278-7350
NSN 5999-01-242-1177
NSN 6240-01-444-1673
NSN 6135-01-199-1185
NSN 5985-01-500-0880
NSN 5990-00-656-5798