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 5935-00-740-8759
NSN 6685-01-018-0079
NSN 5915-01-461-3089
NSN 6240-01-371-0978
NSN 5895-00-503-7332
NSN 6320-00-336-9123
NSN 5998-00-227-2118
NSN 5998-00-131-6689
NSN 5985-01-013-9448
NSN 6620-01-555-1453
NSN 5999-01-552-4380
NSN 5905-01-194-5262