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 6320-01-612-7035
NSN 5985-01-578-5321
NSN 5999-01-151-1700
NSN 6685-01-100-3012
NSN 5935-01-211-6479
NSN 6650-00-622-4405
NSN 5920-00-552-1567
NSN 6620-00-035-5813
NSN 6110-01-270-0477
NSN 5998-01-231-8676
NSN 6110-01-500-0768
NSN 5855-00-149-0766