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 5990-01-581-5103
NSN 5945-00-752-0281
NSN 6145-01-340-7050
NSN 5950-00-218-4922
NSN 6620-01-543-5491
NSN 5999-01-082-9842
NSN 6220-01-469-8846
NSN 6130-00-643-4894
NSN 6240-00-189-2762
NSN 5985-01-527-6492
NSN 5945-01-028-3112
NSN 5925-01-292-8228