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 5965-00-135-0547
NSN 6110-01-633-9660
NSN 5965-01-326-7886
NSN 6645-01-484-9671
NSN 4140-01-629-2472
NSN 6620-01-323-6091
NSN 6650-01-513-2644
NSN 6110-00-202-1021
NSN 5925-01-540-3872
NSN 5910-01-651-1894
NSN 5925-00-410-1722
NSN 5895-01-577-0420