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 4140-01-292-3870
NSN 6240-00-827-5794
NSN 5905-01-546-7610
NSN 6130-01-365-7336
NSN 6145-00-116-5597
NSN 6240-01-478-5446
NSN 5930-00-706-8498
NSN 5999-00-302-3762
NSN 5985-01-100-3801
NSN 6110-00-253-9523
NSN 6650-01-029-2995
NSN 2925-01-565-6410