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 6240-00-671-2281
NSN 6610-00-080-8839
NSN 5855-01-243-2355
NSN 4140-01-033-4953
NSN 5930-00-642-9974
NSN 5835-00-148-9719
NSN 6105-01-429-4657
NSN 5975-01-386-3061
NSN 5960-00-047-3944
NSN 6610-00-391-7888
NSN 5930-01-430-7186
NSN 5925-01-561-8839