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 5998-01-423-1495
NSN 5998-01-530-3807
NSN 6130-01-397-9977
NSN 5975-00-707-6245
NSN 5990-01-374-3877
NSN 5920-00-904-3727
NSN 5998-01-456-9513
NSN 6130-01-146-0332
NSN 5990-00-263-1289
NSN 4140-00-817-6009
NSN 6105-01-003-9162
NSN 6610-00-273-9019