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 6110-01-605-2450
NSN 6105-00-615-9979
NSN 5930-01-541-8660
NSN 5990-01-369-2764
NSN 5985-01-570-8277
NSN 5975-01-603-5844
NSN 5935-01-392-9240
NSN 6110-01-508-5572
NSN 6105-01-477-2857
NSN 5935-00-832-6104
NSN 5915-00-915-9193
NSN 5975-01-454-1308