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 4140-01-145-8098
NSN 5945-01-352-5852
NSN 5930-01-510-9236
NSN 5930-01-018-9175
NSN 6650-01-523-7026
NSN 6105-01-334-9303
NSN 5990-01-443-2931
NSN 5960-01-334-5146
NSN 5935-01-215-1009
NSN 5965-01-273-3055
NSN 6685-00-088-4539
NSN 5920-01-426-8517