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 5910-01-334-7930
NSN 4140-01-447-4826
NSN 5996-01-343-7024
NSN 6240-01-519-8781
NSN 6320-01-438-6280
NSN 6620-01-380-4882
NSN 5999-00-101-2284
NSN 5999-01-128-5822
NSN 5925-01-067-7241
NSN 5935-00-731-1876
NSN 5905-01-259-8663
NSN 6220-00-179-4324