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 6145-01-003-9741
NSN 5996-00-633-6912
NSN 6220-00-260-1711
NSN 5990-01-430-3152
NSN 6220-01-359-4857
NSN 6240-00-891-8586
NSN 6145-01-240-8174
NSN 5990-01-361-1620
NSN 5990-01-157-0441
NSN 5975-01-100-6719
NSN 5945-01-428-1677
NSN 5965-01-518-4490