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 5945-01-145-9703
NSN 5990-01-145-2878
NSN 5985-01-462-0828
NSN 5950-00-177-3055
NSN 6320-01-374-9924
NSN 5985-01-555-8057
NSN 5895-01-258-5933
NSN 6650-00-897-7083
NSN 5935-01-525-7219
NSN 6610-01-509-0017
NSN 2925-01-053-0886
NSN 5999-01-452-1668