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 5835-00-589-6300
NSN 6145-00-312-6673
NSN 5925-01-215-1386
NSN 5910-01-325-0284
NSN 5835-00-681-0005
NSN 5925-00-897-9911
NSN 5960-00-124-3928
NSN 5960-01-093-2740
NSN 5985-01-562-5708
NSN 5990-01-339-5118
NSN 6650-01-358-7055
NSN 5990-00-543-2755