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 6135-01-620-5244
NSN 5996-00-305-6152
NSN 5935-00-843-0998
NSN 5935-01-462-5111
NSN 5999-00-681-1168
NSN 5930-01-161-3100
NSN 2925-01-225-0713
NSN 5895-00-227-1002
NSN 6650-01-485-3444
NSN 5895-01-569-0631
NSN 5965-01-525-6768
NSN 5910-00-980-2252