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 6620-00-983-4171
NSN 6150-00-477-7697
NSN 5998-01-237-3646
NSN 5855-01-535-7127
NSN 6145-00-489-3574
NSN 6240-01-630-8097
NSN 5915-00-398-0677
NSN 5925-01-398-0517
NSN 5905-00-252-2035
NSN 5990-01-586-8202
NSN 6620-01-252-1240
NSN 5985-00-540-5026