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 5925-00-521-8208
NSN 2925-00-247-6248
NSN 6135-01-519-7879
NSN 5996-00-978-4547
NSN 6130-01-141-2735
NSN 6130-01-350-3585
NSN 6105-01-412-4584
NSN 5930-00-223-5224
NSN 5915-01-347-2737
NSN 5960-01-351-5074
NSN 5996-00-406-4951
NSN 5990-00-010-8186