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 6240-00-172-5866
NSN 5835-01-274-1035
NSN 5950-01-058-0877
NSN 5975-00-686-7605
NSN 5915-00-149-1458
NSN 2925-01-391-9247
NSN 6650-01-170-4397
NSN 6620-01-069-0912
NSN 5999-00-925-9535
NSN 5925-01-093-1135
NSN 6650-01-290-4001
NSN 5998-01-377-4316