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 6110-01-557-7700
NSN 5895-01-469-2839
NSN 6105-00-292-4110
NSN 5905-01-348-4212
NSN 2925-01-239-6044
NSN 5999-01-538-8380
NSN 5975-00-391-0376
NSN 6220-01-301-2329
NSN 5855-00-631-4565
NSN 6620-01-298-3738
NSN 5999-01-147-5317
NSN 6240-00-594-7138