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 5975-00-696-2597
NSN 5910-01-469-7612
NSN 6145-01-443-5314
NSN 6130-00-643-4894
NSN 6150-00-383-7883
NSN 6145-00-100-4358
NSN 5950-01-597-9612
NSN 5985-01-524-0525
NSN 5855-00-763-2155
NSN 5975-00-203-8416
NSN 6320-01-459-6992
NSN 6240-00-141-0129