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 6620-01-502-9104
NSN 6320-01-036-2598
NSN 5895-01-632-9475
NSN 6105-01-448-0936
NSN 6135-01-166-5042
NSN 6610-00-574-6198
NSN 5855-01-500-6617
NSN 5985-01-431-7884
NSN 5905-00-577-3069
NSN 5905-01-148-3945
NSN 2925-01-236-3547
NSN 6685-00-452-6257