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 6130-01-503-0277
NSN 5930-01-089-6713
NSN 6645-01-330-6028
NSN 6220-00-834-2838
NSN 5950-01-452-7097
NSN 6220-01-210-5401
NSN 6610-01-057-7474
NSN 6110-01-084-8217
NSN 5855-01-152-8781
NSN 6320-01-176-8367
NSN 6650-01-543-3349
NSN 5990-00-450-9872