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 6150-01-381-1345
NSN 6610-00-483-2073
NSN 6685-00-951-4540
NSN 5935-01-361-8885
NSN 2925-00-185-1618
NSN 5945-01-059-0611
NSN 5915-01-330-7664
NSN 5935-01-503-8729
NSN 5935-00-707-7988
NSN 5999-01-620-3938
NSN 4140-00-632-6169
NSN 6220-00-886-4717