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 5855-01-398-9548
NSN 5920-01-442-3395
NSN 5895-01-108-2772
NSN 6685-01-444-1496
NSN 6150-01-158-6152
NSN 5965-00-458-7321
NSN 5920-00-951-3824
NSN 5835-00-054-4607
NSN 5960-00-563-5936
NSN 5996-01-359-4222
NSN 6110-01-492-5852
NSN 6145-00-104-6047