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 6620-01-030-0525
NSN 5996-00-058-3089
NSN 5935-00-279-1778
NSN 2925-01-203-0493
NSN 6610-01-424-0776
NSN 6620-01-169-2406
NSN 6610-00-837-3012
NSN 5985-00-050-6575
NSN 5920-00-950-2875
NSN 6130-01-187-9001
NSN 5855-00-987-1171
NSN 6135-00-686-4777