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 5998-00-114-0229
NSN 5990-00-105-7096
NSN 5930-00-159-7467
NSN 6645-00-522-4173
NSN 5910-01-543-6551
NSN 6150-00-176-3584
NSN 6220-00-446-2882
NSN 6685-01-363-2765
NSN 6610-01-145-1385
NSN 5910-01-020-5359
NSN 5835-01-114-9613
NSN 6685-01-152-2846