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 6130-01-439-3222
NSN 5998-00-260-1179
NSN 6135-01-353-1036
NSN 6650-01-325-3747
NSN 5998-00-057-4589
NSN 6220-01-211-4630
NSN 6320-00-731-6134
NSN 5996-01-147-6054
NSN 5935-01-035-6888
NSN 5998-00-756-4350
NSN 5945-00-512-3497
NSN 6240-00-488-0278