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 5945-00-159-7628
NSN 5960-01-588-1441
NSN 6610-01-395-7441
NSN 6110-01-561-8904
NSN 5935-01-604-8140
NSN 5855-00-411-8688
NSN 5925-00-295-5845
NSN 6105-00-316-3361
NSN 6620-00-782-0337
NSN 5835-01-592-2350
NSN 6620-01-416-1757
NSN 5996-01-225-1850