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 4140-01-630-1767
NSN 5905-01-193-0135
NSN 5950-01-186-3858
NSN 6145-01-518-4956
NSN 5975-01-068-3549
NSN 4140-01-069-2307
NSN 6320-01-176-8367
NSN 6105-01-014-6104
NSN 6135-01-268-7056
NSN 6620-01-333-0406
NSN 5835-00-761-5615
NSN 5935-01-316-7019