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 5935-01-477-2761
NSN 5998-01-312-1750
NSN 5895-01-472-5879
NSN 6610-01-537-7260
NSN 6620-01-374-5787
NSN 5945-01-611-6088
NSN 5905-00-269-3931
NSN 5935-00-521-4774
NSN 6135-01-386-8548
NSN 5998-01-171-5361
NSN 5925-01-079-4708
NSN 6320-01-300-7994