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 5990-01-189-3201
NSN 5960-01-341-9291
NSN 6135-01-210-8715
NSN 6240-01-426-1350
NSN 5835-01-568-7796
NSN 5920-01-218-6191
NSN 6610-01-633-8931
NSN 5990-00-554-0366
NSN 6645-00-351-8580
NSN 6105-00-156-9084
NSN 2925-01-424-0235
NSN 6610-01-075-2773