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 6135-00-715-4001
NSN 5920-01-180-9872
NSN 6650-01-257-4724
NSN 5960-00-450-6353
NSN 5950-00-937-0423
NSN 5945-01-658-7851
NSN 6135-00-321-6707
NSN 5925-01-387-0153
NSN 5945-01-401-5323
NSN 5950-00-777-5525
NSN 6240-01-123-9040
NSN 6645-00-775-2172