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 6110-01-444-2899
NSN 7035-01-132-7209
NSN 5996-00-894-5603
NSN 6130-00-531-6564
NSN 6220-00-197-9719
NSN 5925-01-186-6344
NSN 6220-01-361-8343
NSN 6150-01-611-8467
NSN 6150-01-023-4429
NSN 6105-01-004-7890
NSN 6610-01-388-8664
NSN 6645-00-077-1805