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 5996-00-243-6571
NSN 5960-01-056-0994
NSN 6150-01-226-1442
NSN 2925-00-964-7128
NSN 5999-00-289-1472
NSN 6320-01-422-1212
NSN 5905-00-161-0633
NSN 5935-00-224-6020
NSN 6150-00-089-9503
NSN 5905-01-422-0127
NSN 6620-01-175-3429
NSN 5895-01-189-9954