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 6220-00-790-9574
NSN 5925-01-575-9558
NSN 5950-00-827-0450
NSN 6240-01-515-8746
NSN 6130-01-304-4431
NSN 5985-01-324-5913
NSN 5895-00-369-7108
NSN 6645-00-052-7288
NSN 6685-01-509-4289
NSN 6105-01-150-6751
NSN 5975-00-900-4013
NSN 5945-01-509-6887