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 5960-01-491-9916
NSN 2925-01-633-0225
NSN 7035-01-413-3975
NSN 5935-00-871-0389
NSN 4140-01-278-1314
NSN 6320-01-558-8844
NSN 5905-00-398-0778
NSN 6240-01-247-1512
NSN 6110-00-038-0074
NSN 4140-01-408-5132
NSN 5930-00-003-8483
NSN 6240-00-548-3992