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 6145-00-003-4184
NSN 6110-00-295-2754
NSN 5965-01-319-5363
NSN 6110-01-084-4215
NSN 5975-00-636-4910
NSN 6620-01-646-2751
NSN 6650-00-241-0970
NSN 5998-01-407-8148
NSN 5920-00-189-0858
NSN 4140-00-152-7092
NSN 6610-01-633-8931
NSN 5930-01-301-4865