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 5920-01-271-9140
NSN 5920-00-906-2500
NSN 6610-01-212-2969
NSN 5999-01-410-7802
NSN 5915-01-099-0863
NSN 6610-00-139-1105
NSN 5950-00-284-7294
NSN 6610-01-108-7780
NSN 5999-01-392-6313
NSN 5996-01-271-9927
NSN 6105-01-115-1050
NSN 5945-01-167-4743