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 5960-00-083-1457
NSN 5985-00-565-0111
NSN 6110-01-594-6756
NSN 6240-01-613-1469
NSN 6610-00-803-0722
NSN 6645-01-626-9782
NSN 5895-00-960-5841
NSN 5950-01-425-4005
NSN 6145-01-234-6301
NSN 4140-01-274-9320
NSN 6220-00-280-2880
NSN 5925-01-386-3178