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 6650-01-376-6965
NSN 7035-01-201-7152
NSN 7035-01-268-5732
NSN 5930-00-441-0618
NSN 5895-00-807-6558
NSN 6105-00-246-5311
NSN 5965-00-647-3972
NSN 5905-01-488-4548
NSN 5965-01-578-6260
NSN 5855-01-523-2981
NSN 5935-00-891-7224
NSN 5925-00-858-7151