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 5998-00-081-1454
NSN 5950-01-166-4328
NSN 6145-00-125-0742
NSN 5930-01-634-0659
NSN 5895-01-315-3346
NSN 5985-00-960-4595
NSN 5996-00-229-7037
NSN 5965-01-010-1258
NSN 5990-00-636-4218
NSN 5945-00-249-3344
NSN 5895-01-067-9751
NSN 5965-01-437-5934