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 6645-00-918-3785
NSN 5930-00-138-5235
NSN 6620-01-093-7592
NSN 6105-01-544-5601
NSN 5990-01-245-7299
NSN 5930-00-832-8805
NSN 5920-01-237-3875
NSN 5935-01-127-1340
NSN 5905-01-231-9626
NSN 5835-00-532-5910
NSN 5945-01-243-6377
NSN 5960-01-567-1096