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 5855-01-027-1571
NSN 6220-00-071-4598
NSN 5835-00-707-6266
NSN 5975-00-146-6555
NSN 6650-01-367-5172
NSN 6685-01-561-9477
NSN 5985-01-634-0635
NSN 6610-01-238-8712
NSN 5905-01-375-2383
NSN 6150-01-239-8021
NSN 5835-01-449-7511
NSN 6610-01-459-8722