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 6105-01-392-8405
NSN 4140-01-440-5757
NSN 5985-01-118-8015
NSN 5960-00-108-0268
NSN 5930-00-013-9664
NSN 5945-01-631-9954
NSN 5985-01-422-6293
NSN 5985-01-009-9062
NSN 5915-01-544-4403
NSN 6145-01-454-3944
NSN 6610-00-224-8833
NSN 5990-01-203-6089