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 5998-01-215-1313
NSN 5998-01-613-0632
NSN 6105-01-025-1497
NSN 6130-01-426-8841
NSN 6620-00-474-0605
NSN 5950-01-634-0677
NSN 5950-00-542-3995
NSN 5910-00-299-4930
NSN 2925-00-005-1618
NSN 6620-01-499-1492
NSN 5960-01-143-1202
NSN 5999-00-269-5320