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 6240-01-582-3790
NSN 5950-00-815-6960
NSN 6610-00-023-0076
NSN 5930-00-938-3192
NSN 5960-01-178-7500
NSN 6145-00-930-4330
NSN 5960-00-422-0578
NSN 5905-01-483-2153
NSN 6320-01-429-9871
NSN 5945-01-493-2985
NSN 5835-01-360-2657
NSN 5996-00-491-6255