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 5935-01-605-3986
NSN 6620-01-268-9693
NSN 6685-01-585-4664
NSN 5925-00-807-4305
NSN 5996-01-215-0944
NSN 5999-00-615-9107
NSN 5835-00-124-9020
NSN 6610-01-391-8184
NSN 5935-01-464-4041
NSN 6620-01-253-0374
NSN 5960-00-833-7438
NSN 5915-01-626-6596