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 5998-00-277-7552
NSN 6105-00-084-3984
NSN 5855-01-504-4750
NSN 5996-01-076-7048
NSN 7035-01-562-1904
NSN 5998-01-381-6963
NSN 5950-01-565-9320
NSN 6105-01-604-8621
NSN 5895-01-107-9344
NSN 6610-00-442-6834
NSN 6150-01-411-3323
NSN 5998-01-391-1179