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 6145-01-463-9683
NSN 5920-01-615-7389
NSN 5835-01-200-7153
NSN 6145-00-403-2902
NSN 5920-00-062-1565
NSN 5975-01-494-3163
NSN 6220-01-044-0708
NSN 6130-01-457-9411
NSN 5990-00-767-0893
NSN 5935-00-767-5394
NSN 4140-01-234-9999
NSN 6645-01-470-6838