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 4140-01-042-6637
NSN 5960-00-359-7768
NSN 4140-01-420-7269
NSN 5960-01-537-8161
NSN 6135-01-540-9655
NSN 6130-01-186-9987
NSN 5960-00-137-4751
NSN 6685-01-441-9378
NSN 6150-01-130-0793
NSN 5945-00-855-0669
NSN 5985-00-372-5946
NSN 6650-01-449-2334