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 6130-01-502-0714
NSN 6110-00-518-2998
NSN 5905-01-018-2872
NSN 6220-01-278-9369
NSN 5925-01-625-4428
NSN 5996-01-497-6108
NSN 6105-01-445-8260
NSN 6610-00-451-3325
NSN 5965-01-425-1741
NSN 5960-00-925-2111
NSN 6240-01-073-6471
NSN 6650-01-193-8983