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 4140-01-400-3610
NSN 5960-01-530-0581
NSN 2925-01-274-8576
NSN 6220-01-640-9546
NSN 6240-00-498-2034
NSN 6620-00-113-5900
NSN 5965-01-485-6171
NSN 6610-00-825-3111
NSN 6620-00-816-9755
NSN 6145-01-263-2837
NSN 5910-01-550-4674
NSN 5975-00-389-6958