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 5905-00-419-4168
NSN 6110-01-378-4048
NSN 5835-01-258-7866
NSN 6240-01-531-2661
NSN 2925-00-185-1618
NSN 5935-00-620-5867
NSN 5905-00-823-4757
NSN 6620-01-239-9564
NSN 5999-01-643-6385
NSN 5920-00-842-4749
NSN 6620-01-242-4962
NSN 6645-01-425-2330