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 4140-01-243-5817
NSN 6145-00-081-6686
NSN 6320-01-255-2096
NSN 5996-00-267-1139
NSN 5945-00-009-7081
NSN 6105-01-563-5086
NSN 5999-01-465-5006
NSN 6685-00-226-1885
NSN 5895-01-171-5149
NSN 2925-01-359-4027
NSN 5930-00-626-6087
NSN 5905-01-033-9944