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 6105-00-816-9397
NSN 5998-01-409-2874
NSN 5960-01-146-0289
NSN 5925-00-709-9437
NSN 6220-01-142-3148
NSN 6105-01-601-2881
NSN 5935-00-434-6018
NSN 5935-01-210-8818
NSN 5960-01-350-2925
NSN 6130-01-139-4491
NSN 6110-01-415-6545
NSN 6650-01-382-3870