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 5996-01-074-9603
NSN 5855-01-487-5048
NSN 5895-01-244-6807
NSN 6645-01-487-6282
NSN 5998-01-630-3608
NSN 6610-01-409-1781
NSN 7035-00-849-5526
NSN 7035-01-247-6256
NSN 6105-01-439-4438
NSN 6320-01-544-0860
NSN 5998-01-509-8698
NSN 5895-00-969-4025