Fds manual, chapter7, pg 7-133, index no. 8
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 6650-00-613-8730
NSN 2925-01-463-0594
NSN 5935-01-481-5073
NSN 2925-01-110-1467
NSN 5935-01-433-3783
NSN 6645-01-101-4959
NSN 5935-00-493-6521
NSN 6105-01-531-4262
NSN 5895-00-121-3366
NSN 5999-00-200-6233
NSN 5855-00-760-3870
NSN 5930-01-317-3977