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 5930-00-518-1642
NSN 5925-00-752-8292
NSN 6650-01-544-0366
NSN 6650-01-323-5407
NSN 5835-01-005-8564
NSN 5910-01-215-1550
NSN 6240-01-275-4535
NSN 5985-01-502-9782
NSN 5835-01-100-3265
NSN 5920-00-971-6795
NSN 5930-00-558-0095
NSN 5985-00-090-6349