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 5855-00-797-8217
NSN 5998-01-645-0327
NSN 5855-01-258-5161
NSN 6220-01-024-9444
NSN 5965-01-357-7595
NSN 6320-01-422-1212
NSN 5990-01-162-9220
NSN 5945-00-774-6943
NSN 6130-01-634-0603
NSN 5925-00-886-5440
NSN 4140-01-333-9610
NSN 5999-01-605-3050