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 5895-00-288-5878
NSN 6620-00-720-3278
NSN 5996-00-079-1268
NSN 6130-01-099-3939
NSN 5950-01-191-8307
NSN 5996-00-245-2581
NSN 5965-00-303-9701
NSN 5965-00-942-1602
NSN 5985-00-401-5035
NSN 6130-01-027-6207
NSN 5945-01-394-1700
NSN 5950-01-372-0997