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 6130-01-565-8217
NSN 6130-01-351-5436
NSN 5950-00-205-2932
NSN 5960-01-140-4253
NSN 5945-00-199-5984
NSN 6240-00-401-9868
NSN 6610-01-236-8359
NSN 5930-01-645-4943
NSN 6610-01-154-7949
NSN 5935-00-490-3921
NSN 5996-01-383-4029
NSN 6645-01-191-5081