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 5930-00-864-3164
NSN 5960-01-314-7757
NSN 5930-00-278-7731
NSN 5910-01-607-7242
NSN 5925-00-636-5683
NSN 6105-01-570-9020
NSN 6220-00-214-4104
NSN 6650-00-458-7586
NSN 5915-01-340-9830
NSN 5905-00-981-5695
NSN 6650-01-542-7101
NSN 5895-01-132-3779