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 5975-01-628-6524
NSN 2925-01-350-8372
NSN 6105-00-117-3556
NSN 5960-01-268-8674
NSN 6130-01-123-0371
NSN 6610-01-204-2571
NSN 6620-00-245-6164
NSN 6685-00-233-0736
NSN 5910-00-440-5136
NSN 6150-01-268-7863
NSN 6320-00-149-7570
NSN 5945-01-594-2332