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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 5895-01-411-5585
NSN 5925-00-393-2410
NSN 6240-00-391-6402
NSN 2925-00-870-0608
NSN 6135-01-633-8502
NSN 5910-01-012-3047
NSN 5999-01-383-3267
NSN 7035-00-946-2642
NSN 5935-01-574-8304
NSN 6130-01-147-5594
NSN 5950-00-153-4556
NSN 5930-01-437-1465