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 6320-00-004-9158
NSN 6320-01-072-2073
NSN 4140-01-604-6613
NSN 5855-01-581-5827
NSN 6620-01-196-7670
NSN 5999-01-188-7225
NSN 5920-01-401-5315
NSN 6145-00-156-4394
NSN 5905-01-210-1140
NSN 5990-00-343-4465
NSN 5930-00-753-8777
NSN 5935-01-055-6991