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 6130-01-115-5331
NSN 5905-00-901-3292
NSN 6105-00-733-5058
NSN 5835-01-003-8076
NSN 6685-00-527-6545
NSN 6130-01-185-3042
NSN 5895-01-349-6365
NSN 5835-01-261-2978
NSN 5835-00-170-5238
NSN 5910-01-221-1709
NSN 5935-01-123-9016
NSN 6105-01-091-8873