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 5960-01-543-0235
NSN 5996-01-255-3281
NSN 5965-01-444-1322
NSN 5985-00-245-0240
NSN 5960-01-131-4086
NSN 6610-01-419-0929
NSN 5935-01-224-8565
NSN 5965-01-398-9579
NSN 5975-01-038-7390
NSN 6685-01-556-3449
NSN 6645-01-017-3593
NSN 5855-00-014-5008