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 6135-00-175-7132
NSN 5950-01-577-1632
NSN 5945-01-317-6445
NSN 6110-01-198-6154
NSN 5965-01-434-4095
NSN 6130-01-113-7566
NSN 6145-00-409-6844
NSN 5925-00-917-7184
NSN 5835-01-495-0595
NSN 5965-00-396-3411
NSN 5855-01-504-4750
NSN 6645-00-097-1748