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 5996-01-445-5528
NSN 6150-01-643-3106
NSN 6130-00-401-1177
NSN 5950-01-600-1432
NSN 5965-01-632-7929
NSN 5985-00-116-1118
NSN 5930-01-136-8119
NSN 5945-01-359-4092
NSN 5985-00-888-1468
NSN 5996-01-493-9531
NSN 4140-01-362-9957
NSN 6150-01-139-3787