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 5996-01-110-7706
NSN 6145-01-413-2079
NSN 6110-01-435-6610
NSN 6105-01-512-1831
NSN 5965-01-585-8904
NSN 2925-01-484-8556
NSN 4140-00-300-8111
NSN 6650-01-315-4043
NSN 6645-01-049-6116
NSN 5945-00-283-6377
NSN 5999-01-254-7879
NSN 4140-00-401-7851