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 5945-01-077-9953
NSN 5945-01-278-5312
NSN 5895-01-211-2476
NSN 4140-01-604-0417
NSN 6240-01-193-6545
NSN 5975-01-634-0678
NSN 5965-01-020-4104
NSN 6130-00-862-8737
NSN 5925-00-356-8007
NSN 5895-00-488-6248
NSN 5915-01-210-7153
NSN 5950-01-534-8192