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 5905-01-073-3623
NSN 5960-01-624-1170
NSN 5990-01-334-8634
NSN 6105-01-250-2977
NSN 5975-00-753-9409
NSN 5975-00-759-7340
NSN 5905-01-235-3143
NSN 6685-01-482-3433
NSN 5915-01-627-9082
NSN 5915-01-414-9915
NSN 6150-00-931-3324
NSN 5996-01-409-1860