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 5930-01-454-0737
NSN 6685-01-263-3552
NSN 4140-01-321-9085
NSN 5835-00-642-8148
NSN 5945-01-168-7480
NSN 5996-01-265-5150
NSN 6610-00-674-6073
NSN 5950-01-372-1472
NSN 6135-00-826-0334
NSN 5905-01-312-0551
NSN 6110-01-361-9306
NSN 6620-01-100-0077