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 5920-01-236-3009
NSN 6645-00-234-7223
NSN 5945-01-268-1280
NSN 2925-01-519-6726
NSN 5855-01-304-3064
NSN 6135-01-313-8323
NSN 5920-00-251-3561
NSN 6220-01-428-8944
NSN 6240-01-026-0032
NSN 5990-00-998-6193
NSN 5990-01-449-7090
NSN 6150-00-914-9458