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 6685-00-089-2666
NSN 5975-00-587-4871
NSN 5905-01-301-2475
NSN 6620-00-228-9472
NSN 7035-01-549-6765
NSN 6135-01-098-3020
NSN 5975-01-526-8281
NSN 6220-01-132-3639
NSN 5935-00-833-8561
NSN 5935-00-574-2114
NSN 6320-01-019-1028
NSN 6135-00-112-8637