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 6105-01-642-4435
NSN 5990-01-421-3325
NSN 5998-01-165-4475
NSN 7035-01-357-9246
NSN 5855-01-366-2429
NSN 6620-00-522-6693
NSN 6135-00-444-1402
NSN 6320-00-731-6134
NSN 5998-01-516-3958
NSN 6220-00-266-8222
NSN 6645-01-579-2898
NSN 6620-01-462-0001