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 5999-00-249-6824
NSN 5915-01-398-5533
NSN 5965-01-563-5017
NSN 5895-01-601-1288
NSN 6610-00-401-2601
NSN 5910-00-232-9285
NSN 6240-00-001-9416
NSN 5905-01-593-9970
NSN 5920-01-519-2712
NSN 5998-01-428-1842
NSN 5998-00-067-3743
NSN 5990-00-169-8922