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 6150-01-356-3684
NSN 6145-00-493-4073
NSN 5920-01-101-7987
NSN 5950-01-183-8505
NSN 6650-00-150-6885
NSN 5920-01-651-2040
NSN 6320-01-366-5157
NSN 5990-00-125-5036
NSN 6220-01-235-9027
NSN 6110-00-829-8060
NSN 5975-01-437-6566
NSN 5960-01-247-4560