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 5998-01-190-4288
NSN 5895-01-491-5738
NSN 5998-00-168-5117
NSN 6320-00-845-3261
NSN 5895-00-400-3349
NSN 6620-01-351-6870
NSN 5915-00-186-6490
NSN 5920-01-447-4265
NSN 5915-00-027-2757
NSN 6145-00-356-1923
NSN 5920-01-387-4266
NSN 5985-01-377-5264