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 5915-01-501-2590
NSN 6685-00-029-8943
NSN 6685-01-502-7184
NSN 5930-01-654-5218
NSN 6220-01-590-0137
NSN 6610-01-624-5664
NSN 5985-01-062-3036
NSN 6145-01-519-1837
NSN 6685-01-514-8082
NSN 6105-01-070-3911
NSN 6650-00-585-2786
NSN 5930-01-459-8639