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 5998-01-561-0964
NSN 5990-00-179-2576
NSN 6645-00-321-6071
NSN 5985-01-123-5717
NSN 5960-01-411-5899
NSN 6610-00-518-4919
NSN 6130-01-331-4898
NSN 6110-00-288-4179
NSN 6130-01-290-3310
NSN 6645-00-426-3719
NSN 6135-00-145-8884
NSN 5945-01-147-4932