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 7035-01-088-6415
NSN 5935-01-641-8754
NSN 5855-00-631-4565
NSN 5935-00-841-7905
NSN 6650-01-461-1559
NSN 5985-01-249-4834
NSN 6220-01-226-1776
NSN 5905-01-089-9757
NSN 5975-00-055-8870
NSN 5950-01-173-3274
NSN 6105-00-258-2157
NSN 5965-00-529-0602