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 5975-00-531-3954
NSN 6610-01-422-2376
NSN 5895-01-520-7476
NSN 5905-01-501-6048
NSN 6620-01-504-0997
NSN 5998-01-351-6518
NSN 6105-01-590-3278
NSN 6150-00-225-5565
NSN 6130-00-387-2051
NSN 5965-01-173-9106
NSN 5855-01-579-1555
NSN 6620-01-189-8153