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 5930-00-221-0643
NSN 6220-00-065-7948
NSN 6620-01-598-2271
NSN 6610-00-903-0714
NSN 6135-00-120-1027
NSN 5835-00-289-9080
NSN 6130-00-486-0570
NSN 6320-01-279-0343
NSN 5925-00-137-4814
NSN 5905-01-517-1976
NSN 6320-01-067-0474
NSN 6240-01-486-8317