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 5905-01-533-1644
NSN 5990-00-212-4316
NSN 6105-00-801-7279
NSN 6150-00-011-0111
NSN 6685-00-925-4957
NSN 5835-01-157-5886
NSN 5975-00-727-6099
NSN 6150-01-090-0982
NSN 5950-01-569-5469
NSN 6685-00-124-4336
NSN 6620-00-104-6937
NSN 5945-00-836-4805