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 5855-01-520-5873
NSN 5855-01-003-7102
NSN 5855-01-218-3735
NSN 5920-01-102-3248
NSN 6145-01-262-4781
NSN 6320-01-054-3046
NSN 5925-00-782-1361
NSN 6220-00-501-7599
NSN 5930-00-370-3161
NSN 6620-00-371-7109
NSN 6130-00-844-2792
NSN 5985-01-514-0360