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 5960-01-649-1341
NSN 6645-01-629-0847
NSN 5855-00-055-1579
NSN 5998-00-461-5359
NSN 6650-01-164-5873
NSN 6620-01-443-8431
NSN 5996-01-630-3169
NSN 5835-01-540-4995
NSN 5950-01-062-0643
NSN 5998-01-577-0199
NSN 6145-01-620-9865
NSN 6130-01-659-9264