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 5999-01-143-6544
NSN 6110-00-078-3393
NSN 5990-01-386-5561
NSN 6150-01-169-2250
NSN 6105-01-171-4238
NSN 5905-01-502-6604
NSN 2925-00-038-0596
NSN 7035-01-249-4547
NSN 5965-01-121-6135
NSN 6145-01-260-7299
NSN 6130-00-955-1743
NSN 6135-00-016-0071