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 6620-00-257-2783
NSN 6620-00-404-0149
NSN 5935-01-154-3630
NSN 5998-01-463-9053
NSN 5996-00-102-5425
NSN 7035-00-574-4223
NSN 5985-00-081-3456
NSN 5895-01-615-8495
NSN 7035-00-797-2635
NSN 6105-01-528-7514
NSN 4140-01-258-6685
NSN 6220-01-171-6976