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 5935-01-327-5557
NSN 6110-00-643-4832
NSN 6645-01-150-9847
NSN 6650-01-183-0711
NSN 5998-01-646-6058
NSN 5965-01-133-7459
NSN 6620-00-513-0738
NSN 5985-01-481-9915
NSN 5985-01-141-7059
NSN 5950-00-355-1624
NSN 5925-00-404-7431
NSN 6135-01-017-3001