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 5935-00-049-7163
NSN 6135-01-518-9813
NSN 5925-01-207-8542
NSN 5985-00-521-4292
NSN 7035-01-289-4022
NSN 5915-00-146-5358
NSN 5960-01-516-7264
NSN 6650-01-056-4386
NSN 6685-01-437-4904
NSN 5935-00-362-3873
NSN 4140-01-558-8312
NSN 5999-00-891-9249