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 5925-00-199-9565
NSN 5920-00-459-8647
NSN 5835-01-357-9235
NSN 6320-01-100-7554
NSN 7035-00-513-9764
NSN 6130-01-575-6991
NSN 6105-00-578-3909
NSN 6645-01-558-5057
NSN 6240-00-212-4305
NSN 6685-00-548-5460
NSN 5996-01-510-6551
NSN 6145-01-492-5642