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 6145-00-042-3800
NSN 6130-00-943-1810
NSN 6610-01-175-5920
NSN 6650-00-871-2983
NSN 5996-00-150-8842
NSN 5920-01-201-2936
NSN 6220-00-269-4556
NSN 5930-00-385-3653
NSN 4140-01-093-5301
NSN 5990-01-209-3955
NSN 6220-00-498-2424
NSN 7035-01-238-5036