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 5930-01-622-2476
NSN 6150-00-933-9803
NSN 6320-00-731-6134
NSN 6145-01-611-2412
NSN 5990-00-412-4411
NSN 4140-01-142-6443
NSN 6320-01-399-6177
NSN 6135-00-269-5843
NSN 6105-00-449-5593
NSN 5905-01-117-6373
NSN 5945-01-240-3012
NSN 7035-00-731-8729