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 5905-01-549-6697
NSN 6145-00-635-9957
NSN 6320-01-582-6668
NSN 6320-01-540-4885
NSN 6145-01-327-3328
NSN 6220-01-568-2671
NSN 6645-01-593-3608
NSN 6610-01-355-8112
NSN 5920-01-353-6423
NSN 4140-00-356-1979
NSN 5910-01-629-9566
NSN 5915-00-836-7425