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 4140-01-142-3192
NSN 2925-00-159-9003
NSN 5960-01-424-0590
NSN 5998-01-643-8139
NSN 6320-01-211-6578
NSN 5950-01-044-0848
NSN 5935-00-579-5638
NSN 6240-00-246-5060
NSN 5835-00-518-4507
NSN 6620-00-093-4186
NSN 6145-01-415-9593
NSN 5960-01-505-2426