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 6240-00-727-2457
NSN 5925-00-081-9135
NSN 5895-01-193-5312
NSN 5998-00-417-9234
NSN 6130-01-110-3881
NSN 5998-01-246-7453
NSN 5996-00-873-3163
NSN 5990-01-322-9781
NSN 6240-01-475-7261
NSN 5998-01-446-6645
NSN 5835-00-632-8621
NSN 5999-00-322-7586