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 5985-01-562-3912
NSN 4140-00-189-0235
NSN 5945-01-457-4466
NSN 5985-01-044-9018
NSN 2925-01-572-0539
NSN 2925-01-505-1666
NSN 5910-00-703-0897
NSN 6320-00-116-3658
NSN 5950-01-328-2814
NSN 5910-01-391-9718
NSN 5975-01-052-3489
NSN 6610-01-633-8931