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 5910-00-110-0409
NSN 6145-01-480-3524
NSN 4140-00-768-2855
NSN 5855-00-548-4742
NSN 5905-00-624-8036
NSN 6650-01-227-9634
NSN 5965-01-565-2262
NSN 5998-00-868-4893
NSN 6105-00-377-8206
NSN 6145-01-432-1198
NSN 5910-01-468-6632
NSN 5935-01-557-3359