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 5920-00-431-5474
NSN 5990-00-170-9553
NSN 5960-01-481-3722
NSN 6110-00-293-6816
NSN 5945-01-415-0858
NSN 6220-01-274-7788
NSN 6650-01-430-9416
NSN 6150-01-423-8815
NSN 6220-00-706-7477
NSN 5935-00-812-1264
NSN 5895-01-372-4314
NSN 5985-00-445-2696