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 5930-00-854-6823
NSN 5998-00-929-1530
NSN 5960-01-457-7432
NSN 6145-01-116-6729
NSN 5835-01-485-0210
NSN 5925-01-586-2510
NSN 5835-01-111-9838
NSN 5975-01-167-7952
NSN 4140-01-249-7948
NSN 5920-00-236-1118
NSN 6130-01-106-3649
NSN 6105-01-348-2974