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 5998-01-613-7308
NSN 5835-00-289-9080
NSN 5855-00-688-9954
NSN 6145-01-023-7719
NSN 5910-01-035-2891
NSN 6145-00-825-2657
NSN 5910-00-892-3187
NSN 5945-01-414-3878
NSN 6130-00-760-0424
NSN 5999-01-046-1800
NSN 5910-01-211-6368
NSN 6135-01-632-3365