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 5996-01-227-2555
NSN 5930-01-085-2489
NSN 6130-01-106-3462
NSN 6105-01-542-7944
NSN 5960-01-521-0626
NSN 6240-01-063-7685
NSN 6150-01-459-6325
NSN 6145-00-623-7224
NSN 4140-00-186-3062
NSN 5999-01-539-2869
NSN 6650-01-102-5171
NSN 5910-01-572-4473