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 6150-01-366-5797
NSN 4140-00-684-7314
NSN 6645-00-402-5622
NSN 5945-01-615-8463
NSN 5915-01-191-7554
NSN 6220-01-381-7129
NSN 6620-00-477-7808
NSN 5996-00-332-8075
NSN 6150-00-275-4601
NSN 5965-00-412-4402
NSN 5930-01-154-1193
NSN 5895-01-450-6932