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 5960-01-579-9493
NSN 5985-00-657-1578
NSN 5990-00-518-0684
NSN 5965-01-196-1526
NSN 6220-01-167-7859
NSN 5985-01-357-6127
NSN 5960-01-262-9175
NSN 5935-01-249-5345
NSN 5855-01-120-7831
NSN 5935-01-423-3097
NSN 6320-01-631-7828
NSN 7035-01-069-3537