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 6145-01-508-7488
NSN 4140-00-112-0630
NSN 5950-00-289-6138
NSN 6105-01-163-2943
NSN 5975-01-521-4640
NSN 6145-01-479-3354
NSN 6105-01-429-8577
NSN 5835-01-303-6563
NSN 5945-01-318-4034
NSN 5855-01-618-8462
NSN 5990-01-105-0260
NSN 5935-01-400-1127