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 6620-00-970-2363
NSN 6220-00-681-2707
NSN 6650-00-508-7631
NSN 5895-00-665-3991
NSN 5990-01-334-8634
NSN 5910-00-292-0048
NSN 5996-01-141-6916
NSN 6110-00-296-0500
NSN 5935-01-145-3735
NSN 6130-00-284-1629
NSN 5975-01-502-9662
NSN 6610-00-056-0526