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 6220-00-548-1999
NSN 5998-01-486-7841
NSN 5910-00-663-5865
NSN 5950-00-182-8204
NSN 5835-01-576-9013
NSN 5999-00-419-4960
NSN 5895-00-323-0642
NSN 6130-00-431-3852
NSN 6645-01-118-5299
NSN 5950-01-266-3735
NSN 5950-01-030-5746
NSN 5910-00-428-4017