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 5930-01-131-6987
NSN 5990-01-395-4194
NSN 6685-00-991-3640
NSN 6240-00-616-4029
NSN 6220-01-412-1799
NSN 5835-01-192-4165
NSN 5945-01-119-0020
NSN 6135-01-411-3212
NSN 5985-01-089-7225
NSN 5935-01-385-9063
NSN 5945-00-957-0738
NSN 6145-01-548-2967