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 5990-01-300-7801
NSN 6105-00-395-7045
NSN 6650-00-283-0978
NSN 5935-00-314-4509
NSN 2925-00-824-2186
NSN 5930-01-634-0659
NSN 6240-01-153-2861
NSN 5996-01-453-9217
NSN 6645-01-361-2829
NSN 6145-01-535-6896
NSN 6145-01-534-2748
NSN 6685-01-353-2375