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 5990-00-169-7689
NSN 5925-00-676-1797
NSN 5975-01-381-3543
NSN 5895-01-399-0240
NSN 5950-01-305-9734
NSN 6240-00-284-1457
NSN 5855-01-634-0259
NSN 7035-01-089-2725
NSN 6645-00-099-6913
NSN 6130-00-144-5606
NSN 6130-00-433-1229
NSN 5835-01-391-4556