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 5990-00-754-2842
NSN 6130-01-010-2834
NSN 6650-00-558-2532
NSN 4140-01-238-3083
NSN 5998-01-054-2994
NSN 5998-01-497-4620
NSN 5920-01-643-0818
NSN 6620-01-456-0529
NSN 5920-01-171-9139
NSN 6135-00-567-1322
NSN 5945-01-482-7702
NSN 6135-01-546-4588