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 5950-01-548-1393
NSN 5960-01-573-6483
NSN 5945-00-498-7049
NSN 5905-00-799-0088
NSN 6110-01-544-3949
NSN 5945-01-487-6446
NSN 5985-00-379-2345
NSN 5905-00-231-3462
NSN 6220-00-053-5599
NSN 6145-01-227-4662
NSN 5855-00-310-2740
NSN 5835-00-198-4936