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 6320-00-790-4844
NSN 6105-00-549-2668
NSN 5975-00-559-5676
NSN 5990-01-116-2181
NSN 5835-01-095-4400
NSN 4140-01-518-8671
NSN 5935-01-101-8597
NSN 6645-00-012-4866
NSN 6645-01-044-6376
NSN 6130-01-462-2048
NSN 5965-01-505-3716
NSN 6645-01-040-0047