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 6135-01-275-9767
NSN 6320-01-422-1212
NSN 5960-01-371-9143
NSN 6320-00-116-3658
NSN 4140-01-226-6944
NSN 5910-00-681-7425
NSN 5835-01-490-9751
NSN 5930-01-564-8652
NSN 5975-01-450-3286
NSN 6620-00-038-5343
NSN 2925-00-373-8837
NSN 5855-01-417-5571