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 5999-01-025-1404
NSN 6320-00-160-0899
NSN 6150-01-071-2941
NSN 6130-01-413-7138
NSN 5975-01-206-4792
NSN 6240-00-300-9883
NSN 6110-01-380-0687
NSN 5998-01-393-8768
NSN 5945-00-724-6957
NSN 5910-01-049-2182
NSN 2925-00-081-6835
NSN 5999-00-286-6231