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 6620-01-156-9724
NSN 4140-01-386-6688
NSN 6150-00-802-1454
NSN 5985-01-316-0537
NSN 7035-01-633-9537
NSN 5835-00-198-4936
NSN 5990-01-328-2385
NSN 5935-01-284-7400
NSN 5935-01-630-4067
NSN 5965-00-265-7861
NSN 5935-01-518-9455
NSN 5990-00-633-7634