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 6145-01-525-6486
NSN 6150-00-923-4476
NSN 6105-01-012-9219
NSN 5996-01-558-2249
NSN 6130-01-516-2593
NSN 5996-00-939-8896
NSN 5905-01-098-0328
NSN 5855-01-100-3272
NSN 6145-01-141-7250
NSN 2925-00-480-9068
NSN 5925-01-048-5394
NSN 5910-00-648-8287