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 6105-01-414-6347
NSN 5895-00-229-4053
NSN 5835-01-357-1247
NSN 6135-01-396-0704
NSN 5910-00-928-6654
NSN 5925-01-450-7047
NSN 6145-01-070-2160
NSN 6645-01-386-4588
NSN 5990-00-438-5587
NSN 6105-00-686-5995
NSN 5895-01-449-9196
NSN 5855-01-346-7682