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 6105-00-505-8842
NSN 5935-00-051-2292
NSN 7035-01-341-9098
NSN 5945-01-563-7956
NSN 6645-00-008-3944
NSN 6320-00-456-2092
NSN 5835-00-198-4936
NSN 6610-01-514-7181
NSN 5990-01-059-0947
NSN 5960-01-658-9538
NSN 5915-01-394-5150
NSN 5910-01-381-0538