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 6105-01-027-7951
NSN 6150-00-398-6527
NSN 6110-00-161-4115
NSN 6610-01-322-1394
NSN 6135-01-580-5726
NSN 5855-00-327-2112
NSN 5920-01-050-3341
NSN 6645-01-074-8024
NSN 2925-01-608-1888
NSN 5960-01-589-6846
NSN 5998-01-244-0158
NSN 6110-00-402-7637