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 5990-01-480-9938
NSN 6145-01-634-0388
NSN 4140-01-012-3996
NSN 5998-00-418-4206
NSN 6320-00-036-3688
NSN 5996-01-500-2820
NSN 5998-01-108-0610
NSN 5935-01-448-9972
NSN 2925-00-341-3336
NSN 4140-00-127-5311
NSN 5915-01-417-1929
NSN 5910-00-295-6194