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 5975-00-865-3537
NSN 5996-01-196-8541
NSN 6150-01-178-2872
NSN 6620-01-014-6913
NSN 5925-01-152-1843
NSN 6145-01-368-4894
NSN 5999-01-215-2792
NSN 4140-01-360-5134
NSN 6220-01-229-1625
NSN 6685-01-446-9594
NSN 6145-00-284-1495
NSN 6130-00-116-8170