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 5999-01-463-7105
NSN 5960-00-715-0790
NSN 6130-00-455-2423
NSN 6110-00-281-3676
NSN 6685-00-140-5237
NSN 6130-01-625-7084
NSN 5910-01-236-1461
NSN 5925-01-411-9736
NSN 6105-01-424-8861
NSN 5895-00-905-8544
NSN 5915-01-311-2701
NSN 6150-00-707-8804