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 6135-00-416-2898
NSN 5930-00-357-1061
NSN 5925-00-561-0677
NSN 6145-01-357-3852
NSN 2925-00-891-5959
NSN 6650-01-480-0053
NSN 6130-01-292-2864
NSN 5998-01-375-5793
NSN 6145-01-077-3242
NSN 5998-00-150-2751
NSN 6645-00-510-6643
NSN 5950-01-540-5414