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 6620-01-423-7300
NSN 5835-01-629-2044
NSN 5990-01-616-9342
NSN 6145-00-227-7576
NSN 5895-00-235-4520
NSN 6105-00-525-8639
NSN 6645-01-438-6986
NSN 5998-01-446-0242
NSN 5855-00-944-0949
NSN 5960-01-346-6002
NSN 6145-01-467-3244
NSN 6320-01-607-1491