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 5960-01-388-8147
NSN 5915-01-352-4719
NSN 6685-00-126-3741
NSN 6105-01-283-2344
NSN 5985-01-178-7841
NSN 5975-01-433-4527
NSN 2925-01-422-1542
NSN 5998-01-065-9207
NSN 2925-00-678-5502
NSN 5975-00-077-9055
NSN 5985-01-229-1780
NSN 5855-00-908-6402