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 5945-01-351-1871
NSN 6620-01-315-1857
NSN 4140-00-566-3896
NSN 2925-01-421-9665
NSN 5905-01-306-7575
NSN 6240-01-317-5747
NSN 6650-01-026-6572
NSN 5935-00-917-6799
NSN 6135-01-189-2293
NSN 5950-01-066-1524
NSN 2925-01-185-9144
NSN 5998-00-390-4497