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 5945-00-857-1613
NSN 6145-01-577-5594
NSN 5835-01-632-6627
NSN 5965-01-155-3131
NSN 5895-00-925-9973
NSN 6110-00-557-8631
NSN 6130-00-223-2099
NSN 6650-01-113-7563
NSN 5935-01-377-6382
NSN 6620-00-020-6694
NSN 6685-01-057-5619
NSN 5998-01-532-3807