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 6105-01-461-8927
NSN 6220-01-416-1744
NSN 6645-01-280-4373
NSN 6685-01-523-2854
NSN 5905-00-170-5363
NSN 5920-00-170-4247
NSN 6110-00-293-6816
NSN 5855-00-281-3843
NSN 5965-00-566-4221
NSN 6685-01-445-8939
NSN 5999-01-434-2755
NSN 6130-00-734-5354