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 5999-01-574-2301
NSN 6610-01-359-6555
NSN 4140-00-269-5795
NSN 6645-01-036-1182
NSN 6220-01-584-3638
NSN 6220-01-586-7200
NSN 5945-01-277-0817
NSN 5990-00-905-6472
NSN 5835-00-518-4507
NSN 5985-01-328-6385
NSN 6150-00-257-5027
NSN 2925-01-157-9204