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 6240-01-347-0072
NSN 5985-01-514-9811
NSN 6610-00-886-3652
NSN 5930-01-423-1674
NSN 5905-00-348-2709
NSN 6685-01-381-0445
NSN 5985-00-353-6339
NSN 5960-01-624-1170
NSN 6320-00-809-5744
NSN 5835-01-235-9051
NSN 6150-01-434-9024
NSN 5998-01-550-5516