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 5935-01-100-1089
NSN 6620-01-197-7083
NSN 6650-00-084-4258
NSN 6145-01-221-6518
NSN 5925-00-800-9894
NSN 4140-01-287-5429
NSN 5910-01-186-2214
NSN 6105-01-500-9617
NSN 5915-00-291-3736
NSN 5935-01-244-1731
NSN 5915-00-240-7717
NSN 5960-00-389-2915