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 6610-00-285-5366
NSN 5998-00-835-1300
NSN 6220-00-266-8222
NSN 6135-00-248-4102
NSN 5998-01-312-8533
NSN 5990-01-124-2126
NSN 5945-01-083-4228
NSN 6685-01-446-7300
NSN 5960-00-306-4177
NSN 5975-01-440-9080
NSN 5925-01-386-6188
NSN 5935-00-989-2127