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 5965-01-101-6874
NSN 5960-01-217-1479
NSN 6220-00-539-8769
NSN 6645-01-294-2479
NSN 5930-00-151-9286
NSN 6145-01-519-8210
NSN 6650-01-053-1816
NSN 6610-01-421-8703
NSN 5895-00-185-4543
NSN 6645-01-220-2838
NSN 5835-00-364-0816
NSN 5950-00-777-5017