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 5945-00-189-0650
NSN 5960-01-487-6436
NSN 5935-01-300-2077
NSN 5999-01-386-9711
NSN 5996-01-114-0814
NSN 5915-00-446-9136
NSN 5935-01-401-5324
NSN 6610-01-348-5719
NSN 6650-01-428-9958
NSN 5895-00-920-7142
NSN 5990-01-193-0487
NSN 5965-01-088-1761