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 6110-00-279-5613
NSN 5950-00-873-8197
NSN 5835-00-128-1967
NSN 6240-01-134-6251
NSN 5835-00-518-4507
NSN 6650-00-537-9222
NSN 5998-00-887-4933
NSN 6685-01-056-5283
NSN 6110-00-948-3204
NSN 6145-00-033-2997
NSN 6220-00-486-4426
NSN 6135-00-488-4478