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 6150-01-306-9662
NSN 5996-01-595-6111
NSN 6320-00-593-0379
NSN 2925-01-569-3795
NSN 6685-00-240-4177
NSN 6145-00-663-6133
NSN 6130-01-142-2698
NSN 5905-01-131-0346
NSN 5999-01-352-8861
NSN 5910-01-433-3334
NSN 6685-01-203-9792
NSN 6130-01-096-5265