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 6135-01-512-8740
NSN 5895-00-803-6217
NSN 6110-01-462-6013
NSN 6105-01-307-7428
NSN 6620-01-497-1746
NSN 5975-01-004-2009
NSN 6620-00-160-0844
NSN 5925-00-952-5586
NSN 5975-01-633-0094
NSN 2925-00-546-3129
NSN 5935-00-391-2269
NSN 5945-00-324-9269