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 5999-00-175-7773
NSN 6240-01-497-9574
NSN 6320-00-725-0754
NSN 5950-00-247-4838
NSN 5930-01-601-4135
NSN 6220-01-324-1666
NSN 5910-01-164-0731
NSN 5996-01-245-6121
NSN 5965-00-434-7617
NSN 5920-00-943-4022
NSN 6610-00-080-2985
NSN 5985-00-779-9130