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 7035-00-478-4596
NSN 5945-01-491-9698
NSN 6620-01-328-7059
NSN 5975-01-193-0493
NSN 6105-01-312-3618
NSN 6240-01-032-7095
NSN 5905-00-155-4767
NSN 5965-00-891-2778
NSN 6220-00-660-5539
NSN 6645-00-766-7935
NSN 5999-01-335-9582
NSN 6320-00-116-3658