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 6240-01-307-8236
NSN 6220-01-497-4600
NSN 5905-00-935-6954
NSN 6645-00-151-5280
NSN 5935-00-931-3847
NSN 6110-01-352-6438
NSN 5920-00-788-0304
NSN 5835-01-225-0372
NSN 6650-01-653-5576
NSN 6320-01-039-5891
NSN 5915-01-206-4382
NSN 5935-00-429-5366