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 5998-01-254-3116
NSN 6220-01-642-8678
NSN 7035-00-574-4223
NSN 5945-00-410-3982
NSN 5935-00-375-5189
NSN 6145-00-722-0090
NSN 6130-01-569-7013
NSN 5975-00-054-9372
NSN 6135-01-556-7318
NSN 6110-00-887-6731
NSN 6105-01-616-1879
NSN 6130-00-119-3149