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 5990-00-099-0822
NSN 6110-00-170-6520
NSN 5855-01-658-4510
NSN 5915-01-151-4683
NSN 6105-00-451-1206
NSN 6110-01-306-8990
NSN 6135-00-519-1325
NSN 6650-01-013-3243
NSN 6130-00-145-1406
NSN 5930-00-927-0639
NSN 5950-00-936-6556
NSN 5925-01-391-4986