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 6685-01-347-8658
NSN 6320-01-056-1164
NSN 6645-00-179-8676
NSN 5895-00-868-1695
NSN 6645-00-431-9472
NSN 5990-01-633-9503
NSN 5915-00-747-9679
NSN 2925-01-071-9291
NSN 5990-00-236-8152
NSN 6610-01-066-4664
NSN 5996-01-280-3860
NSN 6645-01-250-5154