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 6130-01-632-1450
NSN 6240-00-031-3112
NSN 5855-00-869-3635
NSN 6620-01-007-4249
NSN 6240-01-604-1293
NSN 6610-00-518-4919
NSN 5910-00-236-3881
NSN 5960-00-519-9880
NSN 5985-01-546-9010
NSN 5990-00-698-3963
NSN 5920-01-645-9967
NSN 5930-00-130-2587