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 6620-01-502-1656
NSN 6645-00-596-5388
NSN 6135-01-633-8502
NSN 5935-00-159-8022
NSN 5950-01-252-6117
NSN 5905-00-883-6353
NSN 5905-01-364-8594
NSN 5950-01-478-3279
NSN 5965-01-449-7922
NSN 5975-00-678-5958
NSN 6685-00-435-9487
NSN 6105-00-268-2878