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 5910-01-570-7343
NSN 5905-01-147-4876
NSN 5910-01-202-8330
NSN 5945-01-620-7018
NSN 6620-00-290-6505
NSN 5998-01-618-4050
NSN 5935-01-331-5377
NSN 2925-01-153-7794
NSN 6240-01-174-5646
NSN 6145-01-432-2679
NSN 6105-00-761-4657
NSN 6130-01-218-9247