A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.
Classification: Aluminum foil, not backed, not over 0.2mm thick, worked
NSN 5996-01-641-2518
NSN 6105-01-437-6876
NSN 5920-01-540-6040
NSN 5835-01-519-3834
NSN 2925-00-474-4990
NSN 2925-00-717-7904
NSN 6135-01-440-7774
NSN 5915-01-274-7809
NSN 6645-01-419-0471
NSN 5905-01-358-7301
NSN 6135-01-437-6409
NSN 5990-00-856-9208