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 6320-01-338-6006
NSN 5999-01-394-5186
NSN 5996-00-330-2179
NSN 6650-01-542-4137
NSN 5905-00-763-9938
NSN 6650-00-098-6128
NSN 5925-01-187-7977
NSN 6645-00-292-5053
NSN 6240-00-686-5345
NSN 5990-01-609-4793
NSN 6320-00-564-2772
NSN 4140-01-447-8964