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 6320-00-225-7013
NSN 6645-00-064-1180
NSN 6110-01-467-2882
NSN 6130-00-681-8503
NSN 5975-01-292-8927
NSN 5905-01-643-8247
NSN 6135-00-412-1687
NSN 5996-01-268-1625
NSN 4140-00-114-5225
NSN 6240-01-274-4237
NSN 5835-01-155-0786
NSN 6645-01-347-4865