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 5910-01-054-9306
NSN 6130-00-205-1714
NSN 5910-01-033-9606
NSN 6240-01-179-4547
NSN 6320-00-513-8376
NSN 6135-01-365-2707
NSN 5855-01-060-8521
NSN 5920-00-065-1738
NSN 5855-00-150-1820
NSN 4140-00-590-2317
NSN 5920-01-104-4332
NSN 5935-01-321-8950