A circular shaped item with an aperture manufactured to predetermined dimensions and designed for use as a seal in stuffing boxes, packing nuts, and the like. It may be (1) any nonmetallic molded or formed ring (except solid (without joint) rings having a square or rectangular cross section); or (2) any shredded metal or metal foil type metallic or semimetallic rings. Excludes felt items but includes multimaterial items in which one of the materials is felt. For solid (without joints) nonmetallic items with a square or rectangular cross section, see washer (as modified) and gasket. For rubber items specifically designed for weather-proofing doors, windows, chests, and the like see seal, nonmetallic angle; seal, nonmetallic channel; and seal, nonmetallic, special shaped section. For circular (with aperature) nonmetallic items with a solid round cross-section see o-ring. Excludes cup, compression; gasket; washer (as modified); and felt, mechanical, preformed.
Classification: Gaskets,washers & other seals
NSN 5960-01-079-2400
NSN 5925-01-293-9931
NSN 5999-01-282-0880
NSN 2925-01-423-8141
NSN 5905-01-186-0625
NSN 5835-00-642-8148
NSN 5996-01-556-4277
NSN 5935-00-061-9484
NSN 5855-01-435-5548
NSN 5935-01-229-7316
NSN 5935-01-443-5431
NSN 5950-01-364-0800