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 6105-01-245-8932
NSN 5950-01-425-5820
NSN 5935-01-184-7377
NSN 6130-01-012-5444
NSN 6610-00-894-2143
NSN 5915-01-168-3887
NSN 5960-00-950-3072
NSN 5895-00-647-3752
NSN 5895-00-464-3992
NSN 5925-00-462-9164
NSN 5930-01-003-7215
NSN 6645-00-251-0688