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 5965-01-140-5555
NSN 6105-01-465-7444
NSN 5935-01-521-3067
NSN 5945-01-039-9467
NSN 6105-00-248-0110
NSN 5915-01-189-4248
NSN 5965-01-633-8849
NSN 5975-01-078-4608
NSN 5965-01-386-2988
NSN 5895-00-960-8526
NSN 2925-01-159-0506
NSN 5925-01-205-4751