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 5920-00-051-9742
NSN 5915-00-710-4519
NSN 5990-00-199-0081
NSN 5910-01-498-8844
NSN 5930-00-615-7952
NSN 6610-01-657-5532
NSN 5999-00-579-6058
NSN 6150-00-235-2834
NSN 6135-01-361-1776
NSN 6220-01-655-7682
NSN 5895-00-720-4148
NSN 4140-00-900-6102