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 5990-01-386-5561
NSN 6150-01-427-3764
NSN 5999-01-159-8571
NSN 5965-00-689-1545
NSN 6110-01-371-1978
NSN 5855-01-330-3669
NSN 6130-00-643-4894
NSN 6110-01-142-2550
NSN 5905-01-134-4363
NSN 6105-01-417-3533
NSN 5935-01-540-2721
NSN 6645-00-728-1316