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 6220-01-065-8544
NSN 6620-01-537-1326
NSN 6135-00-835-7211
NSN 5895-01-518-6368
NSN 4140-01-545-4301
NSN 6130-01-272-8813
NSN 6105-01-073-5340
NSN 6135-00-891-4944
NSN 5990-00-972-1404
NSN 5925-01-509-5850
NSN 5935-01-333-4335
NSN 5905-01-477-7152