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 5965-01-552-4272
NSN 4140-00-008-1875
NSN 6240-01-367-9624
NSN 5835-00-572-7445
NSN 5985-01-191-8709
NSN 5996-01-437-7234
NSN 5960-01-303-5884
NSN 6220-00-918-5599
NSN 7035-01-487-6481
NSN 5998-01-526-1101
NSN 6105-00-057-6771
NSN 6130-00-960-9158