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 6220-00-616-0061
NSN 5985-00-369-9299
NSN 6645-00-108-6479
NSN 6620-00-248-6950
NSN 6130-01-435-6140
NSN 2925-00-596-9775
NSN 6150-01-200-7616
NSN 5999-01-295-1258
NSN 6220-00-296-4101
NSN 5998-00-827-0527
NSN 7035-01-398-3494
NSN 6135-00-134-6648