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 5985-00-078-1842
NSN 5835-00-998-5757
NSN 6220-01-253-3496
NSN 4140-01-274-3823
NSN 6130-00-166-6443
NSN 6220-01-619-9929
NSN 5998-01-518-2764
NSN 5998-00-494-0818
NSN 6610-01-576-8955
NSN 2925-00-682-5028
NSN 6135-01-455-7946
NSN 6240-01-416-2804