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 5996-00-881-8707
NSN 5930-01-372-0075
NSN 6685-00-186-0190
NSN 5945-01-577-0113
NSN 5945-00-248-6798
NSN 5985-01-204-8232
NSN 2925-01-191-5814
NSN 5905-01-019-9630
NSN 5965-00-910-3233
NSN 5925-01-189-1869
NSN 6110-01-075-7675
NSN 6320-01-229-6479