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 6240-00-141-6143
NSN 2925-01-565-6410
NSN 5835-01-324-6443
NSN 5999-01-269-0333
NSN 6145-00-596-8447
NSN 5985-00-925-0103
NSN 5990-01-601-7332
NSN 6620-00-520-1909
NSN 5985-01-389-3745
NSN 6105-01-184-7598
NSN 6130-01-142-3801
NSN 6610-01-541-0880