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 7035-01-122-1264
NSN 5920-01-640-9258
NSN 6320-01-284-4508
NSN 5905-01-585-6332
NSN 5960-00-672-3836
NSN 6240-01-029-5032
NSN 5990-01-224-8052
NSN 5895-01-605-4878
NSN 6620-01-646-2751
NSN 5855-00-256-5562
NSN 6650-01-497-5782
NSN 6130-00-285-8119