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 5999-01-340-8809
NSN 4140-00-860-1373
NSN 5935-01-471-5035
NSN 6110-01-281-7527
NSN 5960-01-353-5947
NSN 6220-00-954-4897
NSN 4140-00-442-3490
NSN 6130-00-202-0027
NSN 5999-01-263-1895
NSN 6620-01-481-1358
NSN 5950-01-159-0052
NSN 5910-00-225-2850