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 5975-01-377-4878
NSN 6650-00-425-7028
NSN 5855-00-610-4052
NSN 6220-01-381-8720
NSN 6620-01-018-7469
NSN 5930-01-386-4220
NSN 5945-00-815-3511
NSN 6145-01-551-9414
NSN 6130-00-277-7321
NSN 5915-00-578-1917
NSN 5950-01-045-7718
NSN 5960-00-328-4058