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 6105-01-136-1472
NSN 5835-00-649-9402
NSN 5999-01-433-2811
NSN 5960-01-416-6187
NSN 6220-01-308-3918
NSN 5950-00-905-6584
NSN 6110-01-139-3154
NSN 5895-01-424-7799
NSN 2925-01-359-4027
NSN 6220-01-429-8534
NSN 5910-01-182-8853
NSN 6685-00-958-6496