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 6620-00-162-9877
NSN 5945-00-003-4845
NSN 5999-01-317-3768
NSN 5895-00-529-7547
NSN 6220-01-112-6919
NSN 5935-01-111-9076
NSN 5945-01-606-3052
NSN 5998-01-487-4769
NSN 6645-00-216-6126
NSN 6620-01-069-0912
NSN 5910-01-331-4711
NSN 6145-01-481-5070