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 5965-01-260-0780
NSN 6610-01-267-1918
NSN 6105-00-054-3883
NSN 5998-01-373-8468
NSN 7035-01-499-7401
NSN 5910-01-332-7991
NSN 6685-00-482-8431
NSN 5965-00-523-5647
NSN 5998-01-122-5802
NSN 6240-01-166-4517
NSN 6110-01-649-6493
NSN 5985-01-203-1785