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: Gaskets, washers and other seals, of vulcanized rubber other than hard rubber
NSN 5945-00-718-0164
NSN 5905-01-417-2071
NSN 6110-01-135-7908
NSN 6620-00-470-3219
NSN 6650-01-392-0588
NSN 6685-01-265-0634
NSN 6135-01-520-4670
NSN 4140-00-023-5949
NSN 4140-01-647-8871
NSN 5945-01-503-7865
NSN 6240-01-407-0596
NSN 6145-01-027-1454