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 5905-00-362-5611
NSN 4140-00-471-9577
NSN 6320-01-166-3602
NSN 5990-01-449-7090
NSN 5998-01-645-7689
NSN 5895-01-619-2473
NSN 6685-00-140-5237
NSN 5935-01-463-8424
NSN 6645-01-144-2161
NSN 5915-00-988-4824
NSN 5905-01-014-8189
NSN 6220-01-480-7965