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 5985-00-660-4699
NSN 6645-01-227-2036
NSN 6645-00-800-3605
NSN 5895-00-960-8526
NSN 6130-01-601-5550
NSN 6645-01-447-4139
NSN 5910-00-823-1998
NSN 5985-01-326-1842
NSN 5895-01-196-6312
NSN 5990-00-402-7721
NSN 6620-01-210-1968
NSN 5925-01-568-0393