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 6650-01-428-2251
NSN 6610-01-425-1523
NSN 5895-00-257-4875
NSN 5895-01-243-3126
NSN 6220-00-365-9466
NSN 5996-00-573-9940
NSN 6320-01-362-9518
NSN 5999-00-944-5440
NSN 6240-01-586-0275
NSN 6620-00-189-0967
NSN 5990-00-292-5017
NSN 5925-01-617-9831