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 5998-01-195-8642
NSN 5998-01-070-6844
NSN 6620-01-187-1752
NSN 5930-00-372-5642
NSN 5998-01-029-8513
NSN 5905-00-819-8540
NSN 5910-00-897-1202
NSN 5945-01-427-3790
NSN 6645-00-935-7046
NSN 6620-01-376-3744
NSN 5945-00-134-1335
NSN 5996-01-222-8745