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 4140-01-085-3995
NSN 6105-01-011-0697
NSN 6220-00-498-4937
NSN 6645-01-370-5264
NSN 6645-01-322-8431
NSN 5895-00-592-1929
NSN 5905-00-141-5807
NSN 5935-01-450-6193
NSN 5855-00-221-9435
NSN 5999-01-222-2411
NSN 5996-00-245-2581
NSN 5905-00-134-5792