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 5895-01-377-0173
NSN 6320-00-593-0379
NSN 4140-00-849-2930
NSN 2925-01-522-1134
NSN 5855-01-546-2810
NSN 5910-01-266-5748
NSN 5895-01-035-8227
NSN 5999-00-477-2756
NSN 5855-00-149-0766
NSN 6620-01-383-1997
NSN 6645-01-264-1300
NSN 6150-01-542-9216