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 5925-00-999-1710
NSN 6130-01-398-4486
NSN 6105-00-189-1849
NSN 7035-01-310-2587
NSN 6130-01-208-1861
NSN 5910-01-497-9554
NSN 6220-00-137-1894
NSN 6105-00-518-2863
NSN 5945-01-575-0755
NSN 5925-00-563-5720
NSN 6145-01-538-3690
NSN 6145-00-008-1834