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 6240-01-348-0057
NSN 5960-00-539-2748
NSN 6105-00-938-2946
NSN 6135-00-209-6918
NSN 5998-01-267-4969
NSN 5999-00-879-2163
NSN 2925-01-462-1620
NSN 6105-01-215-4795
NSN 5999-01-569-7040
NSN 5945-00-999-2878
NSN 6150-01-050-3730
NSN 6145-01-618-9710