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 5999-01-454-4919
NSN 6240-01-263-0123
NSN 6105-01-321-7466
NSN 6240-00-635-9953
NSN 5965-01-160-2691
NSN 2925-01-228-6554
NSN 6220-00-276-8681
NSN 6130-00-246-8691
NSN 5930-00-408-3810
NSN 6150-01-181-4530
NSN 5990-01-587-8562
NSN 5975-01-209-5753