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 5945-00-404-0374
NSN 7035-00-360-2008
NSN 5835-00-649-9402
NSN 6130-01-491-4631
NSN 6685-01-586-2250
NSN 5910-01-550-4270
NSN 5945-01-089-5803
NSN 6610-01-477-6476
NSN 5895-00-727-8448
NSN 6240-00-403-4861
NSN 6650-00-023-5054
NSN 6145-01-434-2950