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 5996-00-243-6571
NSN 5985-01-423-7202
NSN 6220-01-381-1793
NSN 6645-01-057-7987
NSN 6110-00-643-4832
NSN 5950-00-008-2677
NSN 5950-01-122-5118
NSN 5960-01-641-5493
NSN 5910-01-323-5341
NSN 6150-00-518-4558
NSN 6650-01-590-6061
NSN 5930-00-417-8033