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 5990-00-159-1774
NSN 5920-00-845-3755
NSN 6685-00-400-7868
NSN 5965-01-417-3211
NSN 5915-00-276-5485
NSN 5855-00-149-0766
NSN 6685-01-456-5832
NSN 6110-00-596-9124
NSN 5925-01-179-9487
NSN 6150-01-320-6596
NSN 6135-01-122-4448
NSN 6610-01-052-6049