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 5960-01-434-5539
NSN 5996-01-068-4469
NSN 6240-01-299-5978
NSN 6130-01-386-2894
NSN 5945-00-830-4901
NSN 5945-01-110-6604
NSN 5920-00-427-2985
NSN 6620-01-375-0211
NSN 6110-01-231-7360
NSN 6685-01-416-8991
NSN 5950-01-465-8379
NSN 6145-01-186-1334