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 5895-00-684-2270
NSN 6685-01-401-5360
NSN 5935-01-081-3577
NSN 5960-00-003-7982
NSN 6105-01-621-4780
NSN 6220-01-390-9538
NSN 5950-00-657-4769
NSN 5990-00-892-1606
NSN 5910-01-569-7856
NSN 6130-01-612-4698
NSN 6645-00-376-4829
NSN 5930-00-137-4969