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 5935-01-447-4760
NSN 5935-00-221-7465
NSN 5930-00-407-7036
NSN 5925-00-845-0886
NSN 5985-01-063-8884
NSN 5999-01-436-7242
NSN 6130-01-283-9011
NSN 6685-01-470-9609
NSN 6620-01-611-7907
NSN 5950-01-536-0047
NSN 5950-00-011-9729
NSN 6150-01-187-3173