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 6240-01-350-3533
NSN 5905-01-403-2806
NSN 6620-00-150-6514
NSN 5990-01-187-8594
NSN 5990-00-139-3155
NSN 5835-01-442-6482
NSN 5910-01-139-1580
NSN 6320-00-931-4855
NSN 6645-00-809-9833
NSN 5915-01-092-2545
NSN 5835-00-275-0584
NSN 6220-01-127-2125