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 5945-01-353-1402
NSN 6685-01-518-7924
NSN 5985-00-960-5560
NSN 5998-01-406-2622
NSN 5999-00-285-2987
NSN 5910-00-707-7960
NSN 5960-01-617-6345
NSN 5950-01-160-1396
NSN 4140-01-614-1641
NSN 5835-01-390-4667
NSN 5925-01-475-7846
NSN 5915-01-318-8677