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 5930-01-354-0301
NSN 6320-01-139-0533
NSN 6105-01-020-7266
NSN 5985-01-133-8197
NSN 5965-00-100-1291
NSN 5999-01-367-2223
NSN 6620-01-497-3744
NSN 6105-01-325-6721
NSN 2925-01-477-8037
NSN 6150-01-528-9317
NSN 6240-01-312-2061
NSN 6685-01-324-4540