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 5950-01-510-3802
NSN 6145-00-027-9852
NSN 5910-01-092-1575
NSN 6220-01-384-2253
NSN 6620-00-927-1634
NSN 6105-01-464-4388
NSN 5910-01-501-0652
NSN 6685-01-513-4944
NSN 6150-01-158-5653
NSN 5985-00-007-6000
NSN 6145-01-605-3228
NSN 7035-00-104-7613