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 5945-01-054-1440
NSN 6685-01-065-4335
NSN 5950-01-552-3668
NSN 6220-01-362-8790
NSN 6650-01-500-8046
NSN 5998-01-525-5794
NSN 6110-01-224-4330
NSN 5960-00-702-2005
NSN 6620-01-530-1229
NSN 6105-00-243-9278
NSN 6130-00-780-8094
NSN 6240-01-380-2003