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 6150-01-631-4357
NSN 6240-00-239-0159
NSN 6240-01-178-4582
NSN 6240-01-435-6505
NSN 5905-00-737-3528
NSN 5905-01-181-9805
NSN 7035-01-245-9585
NSN 6620-00-296-6762
NSN 5855-00-256-5562
NSN 5835-00-473-1010
NSN 6105-01-283-7909
NSN 5920-00-206-3595