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 5855-01-423-9921
NSN 5935-00-105-7724
NSN 5910-00-269-4755
NSN 5855-00-165-3093
NSN 5915-01-156-1160
NSN 5965-00-478-2096
NSN 5925-01-354-1129
NSN 5960-01-045-3566
NSN 6620-01-530-1201
NSN 5895-01-442-5818
NSN 5999-01-383-1387
NSN 6220-00-998-3476