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 6610-01-287-9814
NSN 5950-01-350-4462
NSN 5895-00-518-1593
NSN 5855-00-918-1622
NSN 5950-00-125-7586
NSN 6220-01-059-1393
NSN 6110-01-420-8996
NSN 6620-00-140-8644
NSN 7035-01-107-2811
NSN 5905-01-605-7465
NSN 6650-01-493-6638
NSN 5998-00-272-5660