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 6620-01-361-8685
NSN 6145-00-445-7839
NSN 6130-00-765-5685
NSN 6150-01-559-6856
NSN 6130-01-649-1562
NSN 6320-01-302-5157
NSN 5930-00-708-2364
NSN 5975-01-139-5135
NSN 6105-01-433-0557
NSN 5960-01-632-6576
NSN 5915-01-441-2238
NSN 5965-00-247-4886