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 5925-01-128-6405
NSN 5915-01-543-4021
NSN 5945-01-140-5619
NSN 6135-01-578-8642
NSN 7035-00-337-8745
NSN 6645-01-495-0939
NSN 5945-01-425-4129
NSN 6645-00-351-8580
NSN 6135-01-581-8163
NSN 5945-01-092-6911
NSN 5960-01-406-4136
NSN 5930-01-621-8905