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 6320-00-213-0477
NSN 6685-01-133-4305
NSN 6320-01-611-4918
NSN 5935-01-456-8182
NSN 5960-01-632-6576
NSN 6610-01-565-4769
NSN 6145-01-600-3386
NSN 5895-00-385-9003
NSN 6110-00-164-7062
NSN 5895-01-160-6599
NSN 5990-00-862-3271
NSN 5920-01-477-2837