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 5999-01-288-7409
NSN 5925-01-210-1678
NSN 6110-01-407-5706
NSN 6650-01-324-6458
NSN 4140-01-168-8796
NSN 5935-00-246-5280
NSN 5998-01-139-7382
NSN 7035-01-369-1445
NSN 6620-01-493-3395
NSN 6145-01-465-1482
NSN 5915-00-799-2975
NSN 4140-00-843-1300