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 4140-01-030-5769
NSN 5920-00-285-2245
NSN 5998-01-316-5262
NSN 6645-01-083-4759
NSN 5950-00-659-9608
NSN 7035-01-580-0527
NSN 5975-00-631-5817
NSN 5945-00-352-5124
NSN 5965-01-658-3611
NSN 5999-01-424-7642
NSN 6130-00-315-1181
NSN 5965-01-521-6400