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 6135-01-040-1446
NSN 5935-00-821-1877
NSN 6645-00-837-2267
NSN 6220-01-312-5509
NSN 6320-01-116-3980
NSN 6220-01-359-5767
NSN 5905-01-314-2365
NSN 5910-00-442-4254
NSN 6130-00-440-9057
NSN 6220-00-956-0565
NSN 5985-00-132-4214
NSN 5930-01-011-6583