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 6320-00-116-3658
NSN 6650-00-804-2039
NSN 5910-00-288-5979
NSN 5950-01-461-8667
NSN 6620-01-408-0825
NSN 5985-01-496-8700
NSN 5945-01-376-1016
NSN 5930-00-186-9252
NSN 7035-01-410-9197
NSN 5925-01-174-1562
NSN 5990-01-015-5968
NSN 7035-00-981-7216