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 6620-01-176-6956
NSN 6610-00-070-1842
NSN 7035-00-205-1932
NSN 5920-00-007-5165
NSN 6320-01-365-2701
NSN 6240-01-573-6388
NSN 5915-01-400-6125
NSN 5835-01-156-5622
NSN 7035-00-890-7649
NSN 6610-00-353-5461
NSN 6105-00-265-7545
NSN 5950-01-384-1060