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 6220-00-473-9122
NSN 6685-01-418-3015
NSN 6105-01-392-6114
NSN 5930-00-379-2227
NSN 6145-01-573-7297
NSN 5960-01-632-6576
NSN 5945-00-226-6624
NSN 6685-01-387-2944
NSN 2925-01-542-1865
NSN 5999-00-203-5573
NSN 5960-01-462-6267
NSN 6620-00-309-6679