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 5999-01-472-2536
NSN 7035-00-679-9027
NSN 5910-00-287-3258
NSN 6220-01-607-8477
NSN 6620-00-100-4517
NSN 6240-01-332-9214
NSN 6110-01-454-5303
NSN 5985-01-387-0936
NSN 5915-00-045-5287
NSN 5996-00-943-7240
NSN 5945-01-174-1128
NSN 7035-00-849-5526