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 6620-00-086-0068
NSN 6240-00-435-0433
NSN 6150-00-062-6587
NSN 5895-00-044-1538
NSN 6110-01-527-5662
NSN 6650-01-252-5428
NSN 6130-01-019-0823
NSN 5930-00-419-5377
NSN 5950-01-588-3406
NSN 6685-01-034-5166
NSN 5990-01-131-2008
NSN 5965-01-525-7513