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 4140-01-068-3500
NSN 6650-01-492-3399
NSN 5996-00-174-5107
NSN 6135-00-880-1026
NSN 5945-00-517-9566
NSN 6130-00-174-8605
NSN 6220-01-463-8673
NSN 6240-01-530-2210
NSN 2925-00-626-5027
NSN 5960-01-386-3855
NSN 6620-01-067-8952
NSN 5999-01-542-0537