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 5935-00-105-1168
NSN 6150-01-505-0019
NSN 5905-01-049-6555
NSN 6620-01-448-1423
NSN 6610-00-553-5103
NSN 6105-00-010-2386
NSN 5996-01-221-6711
NSN 6610-00-992-7978
NSN 6240-00-450-0675
NSN 5985-01-290-4853
NSN 6620-01-544-4857
NSN 6685-00-245-8418