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 5930-01-340-0895
NSN 5965-01-029-5222
NSN 6240-00-364-0850
NSN 6145-01-454-2444
NSN 5965-01-472-1997
NSN 6105-01-044-5405
NSN 6145-00-343-5967
NSN 5935-01-383-9784
NSN 6620-01-375-6523
NSN 6650-00-425-7028
NSN 5965-01-528-8152
NSN 6685-01-231-2866