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 6135-01-351-2690
NSN 6650-01-379-3641
NSN 6320-00-731-6134
NSN 5945-01-166-3131
NSN 5985-01-144-4671
NSN 5905-01-610-0624
NSN 5935-01-417-3161
NSN 6240-01-616-6813
NSN 5999-00-057-1544
NSN 6685-01-607-8479
NSN 6240-01-519-2935
NSN 6135-01-394-6731