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 6620-00-155-2608
NSN 6685-00-527-9489
NSN 5930-01-560-4669
NSN 6145-00-356-1923
NSN 5998-01-169-4835
NSN 5975-01-590-9037
NSN 6685-01-260-8121
NSN 5945-00-635-3502
NSN 5935-01-336-3323
NSN 4140-00-393-1707
NSN 5965-00-060-0090
NSN 5975-01-504-6151