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 6645-00-160-0503
NSN 5998-01-506-5745
NSN 6105-00-906-0637
NSN 6620-01-031-8180
NSN 5960-01-126-5767
NSN 5915-00-149-1458
NSN 6240-01-160-7934
NSN 6220-01-349-8666
NSN 7035-01-226-2545
NSN 5990-01-090-9312
NSN 5935-01-187-2698
NSN 6145-00-246-2424