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 5998-00-280-2733
NSN 5855-00-361-0167
NSN 5996-00-902-3445
NSN 5996-01-561-2413
NSN 6645-00-443-8011
NSN 6105-01-603-7855
NSN 5930-01-081-7431
NSN 5915-01-299-1881
NSN 6685-01-302-4242
NSN 6650-00-164-7480
NSN 5915-01-533-5123
NSN 5935-01-106-4541