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 5996-01-141-6916
NSN 6645-00-485-1440
NSN 6240-01-413-0655
NSN 6105-01-345-6425
NSN 6220-01-643-5601
NSN 5835-00-339-3020
NSN 5996-01-546-8008
NSN 6645-00-799-4175
NSN 5915-00-186-0463
NSN 5915-01-382-9383
NSN 6220-01-577-3328
NSN 5996-01-508-4599