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 5996-01-085-6246
NSN 6105-00-280-2808
NSN 5910-00-258-8383
NSN 2925-00-471-1128
NSN 4140-01-302-4487
NSN 6620-00-411-4983
NSN 5910-00-383-9557
NSN 6130-00-758-0394
NSN 6150-01-327-2923
NSN 6130-00-518-7604
NSN 6150-01-334-7625
NSN 6645-00-700-4892