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 5999-01-244-3323
NSN 6650-01-221-0356
NSN 6130-00-840-4666
NSN 5990-01-423-8189
NSN 5895-01-041-8016
NSN 6145-01-515-9871
NSN 6105-01-235-9100
NSN 6220-00-927-0543
NSN 7035-00-020-2227
NSN 6220-00-572-3790
NSN 5960-01-599-9821
NSN 6150-00-099-6919