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 5999-01-078-3779
NSN 6610-01-202-1373
NSN 6105-00-507-1084
NSN 2925-01-280-1911
NSN 6610-00-099-4096
NSN 6130-01-423-1377
NSN 6610-00-034-3709
NSN 6220-00-590-8638
NSN 5910-01-649-4923
NSN 6150-00-393-0498
NSN 5895-01-334-7259
NSN 6620-01-488-6479