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 6130-00-187-0211
NSN 6240-01-128-4906
NSN 6240-01-323-0490
NSN 5975-01-289-2182
NSN 6150-01-384-3939
NSN 7035-00-731-8729
NSN 6650-00-905-9317
NSN 6320-01-532-7491
NSN 5895-01-539-1350
NSN 5835-01-187-8986
NSN 5835-00-165-3069
NSN 5905-01-363-9891