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 5999-01-034-2424
NSN 5999-00-391-6985
NSN 6685-01-490-6353
NSN 6220-01-394-4972
NSN 5998-01-561-7420
NSN 6130-01-116-1042
NSN 6130-01-044-7720
NSN 5895-01-309-0376
NSN 6145-01-439-5035
NSN 5910-01-376-0226
NSN 5915-00-034-4824
NSN 5905-00-981-3010