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 5945-01-208-9042
NSN 5905-01-645-5725
NSN 6645-01-042-4220
NSN 6240-01-500-0850
NSN 5920-00-917-3539
NSN 5895-01-391-4859
NSN 5975-01-085-2794
NSN 6685-00-943-6833
NSN 5999-01-099-5187
NSN 6645-01-383-0106
NSN 5835-01-250-2939
NSN 5998-00-594-8460