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 5950-01-479-8019
NSN 6645-01-632-1127
NSN 6105-01-440-5026
NSN 5998-01-124-3043
NSN 5950-00-159-1571
NSN 6650-00-273-8732
NSN 5998-01-027-1809
NSN 5910-01-041-7996
NSN 5935-01-519-2791
NSN 6130-01-252-9724
NSN 5835-01-050-6993
NSN 6610-00-804-6312