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 5990-00-938-8617
NSN 5950-01-634-0677
NSN 6320-01-054-3046
NSN 5960-00-647-9159
NSN 5855-01-444-9182
NSN 6620-01-352-5640
NSN 5998-01-437-8557
NSN 5915-01-250-2451
NSN 6145-01-201-9544
NSN 6150-01-587-3182
NSN 5999-01-142-6168
NSN 5960-01-617-6345