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.
NSN 5998-01-178-6994
NSN 5855-01-169-9228
NSN 6620-01-250-1692
NSN 5905-01-206-4998
NSN 5965-01-649-9293
NSN 6145-00-161-5415
NSN 6150-01-194-6518
NSN 5999-00-161-0135
NSN 2925-01-648-6859
NSN 5935-01-336-5403
NSN 5950-01-626-5146
NSN 6130-01-357-6602