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 5990-00-994-0555
NSN 6135-00-274-4037
NSN 5915-01-351-2348
NSN 6130-01-291-6272
NSN 5990-01-364-1942
NSN 2925-01-633-4048
NSN 5895-00-596-8678
NSN 5910-00-160-5365
NSN 6130-01-086-2565
NSN 5985-01-471-0497
NSN 6320-00-636-0922
NSN 5999-00-156-3314