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 5975-00-189-0857
NSN 5930-01-368-3100
NSN 6320-01-498-4954
NSN 5910-01-503-2822
NSN 5996-01-109-1586
NSN 6130-01-435-5321
NSN 5935-00-284-1968
NSN 5975-01-406-3395
NSN 5975-01-291-6324
NSN 6320-01-504-3948
NSN 5855-01-328-7434
NSN 6320-01-141-3791