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 6610-01-111-4807
NSN 6685-01-383-6522
NSN 6105-00-175-9078
NSN 4140-00-449-7345
NSN 5990-01-538-6115
NSN 6320-00-731-6134
NSN 5945-00-070-6203
NSN 6135-01-142-6456
NSN 2925-00-707-6770
NSN 6620-01-451-1168
NSN 5985-00-965-1894
NSN 6650-01-362-7214