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 6240-00-156-1607
NSN 5935-01-384-7864
NSN 5998-01-492-6176
NSN 5950-00-467-9318
NSN 5910-01-181-8978
NSN 6685-01-519-3447
NSN 5915-00-572-7761
NSN 6145-01-467-1797
NSN 5975-01-524-4812
NSN 5895-00-153-2595
NSN 5895-01-447-4741
NSN 6145-01-070-3043