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 6220-00-104-8129
NSN 6650-01-325-7647
NSN 4140-01-415-7988
NSN 5999-01-190-2417
NSN 5835-01-084-6997
NSN 6220-01-268-2913
NSN 5925-01-141-6688
NSN 5935-01-301-8393
NSN 5945-01-144-1145
NSN 6610-01-216-9542
NSN 6135-00-243-8330
NSN 6645-00-153-3834