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 6240-01-282-7094
NSN 5990-01-565-2226
NSN 5835-00-427-2772
NSN 6645-01-305-1124
NSN 5915-00-581-6285
NSN 6150-01-114-5535
NSN 5905-01-056-8679
NSN 5930-01-366-2756
NSN 5999-01-303-6569
NSN 7035-01-207-2676
NSN 6650-01-605-2302
NSN 5925-01-210-7198