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 6240-01-226-4858
NSN 5895-01-110-0731
NSN 5925-01-275-4390
NSN 5915-01-106-2606
NSN 6135-01-108-6057
NSN 6620-01-611-7907
NSN 5835-01-518-4300
NSN 5985-00-569-9484
NSN 5999-01-442-4750
NSN 6620-01-501-8649
NSN 4140-00-248-6089
NSN 4140-00-993-6128