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 5960-00-926-2637
NSN 6135-00-334-4500
NSN 5930-01-562-0658
NSN 6105-00-984-3356
NSN 6620-01-039-5468
NSN 5950-01-588-5916
NSN 5920-01-596-2792
NSN 5998-01-312-4698
NSN 6135-01-116-3385
NSN 5895-01-044-0525
NSN 5925-01-302-7208
NSN 6220-01-415-5698