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 5925-01-485-9638
NSN 5960-01-225-9147
NSN 5965-01-020-4104
NSN 6130-00-635-9853
NSN 5999-00-187-5372
NSN 6685-01-532-0664
NSN 5945-01-058-3552
NSN 4140-01-411-0460
NSN 5835-00-005-7909
NSN 7035-00-553-6951
NSN 7035-01-621-0097
NSN 5835-00-125-7320