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 5930-01-230-9311
NSN 7035-01-385-7306
NSN 5960-01-317-3800
NSN 6320-01-495-0512
NSN 6130-00-518-1723
NSN 5920-00-060-1118
NSN 5905-00-761-6205
NSN 6610-00-355-0450
NSN 5985-01-512-1867
NSN 5945-00-581-7827
NSN 6150-00-725-5933
NSN 5985-01-338-8574