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 4140-01-327-3241
NSN 5975-01-525-8075
NSN 6240-00-168-1474
NSN 5895-01-336-5126
NSN 5998-01-370-0107
NSN 5945-00-766-4526
NSN 5999-01-203-4652
NSN 6220-01-330-8238
NSN 5920-01-100-8939
NSN 5965-00-780-3368
NSN 6135-00-209-6918
NSN 5835-01-464-7038