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 5895-01-224-5514
NSN 5996-00-372-4528
NSN 7035-00-442-1869
NSN 5895-01-084-9117
NSN 6135-01-093-7426
NSN 6130-01-601-7186
NSN 6105-01-513-8653
NSN 5998-00-559-1314
NSN 4140-01-464-0266
NSN 6620-01-532-4147
NSN 2925-01-604-8984
NSN 6145-00-078-9917