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 5910-01-356-1610
NSN 5835-00-491-3834
NSN 6240-01-107-5553
NSN 5895-01-206-0584
NSN 5945-00-361-5618
NSN 5975-00-865-3537
NSN 5915-01-394-5335
NSN 5930-01-322-2399
NSN 5855-00-058-1293
NSN 5910-00-489-2406
NSN 5999-01-616-3520
NSN 6645-01-076-9310