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 5990-01-579-2711
NSN 5920-00-491-2796
NSN 6240-00-761-2244
NSN 5975-01-491-5554
NSN 5905-01-491-0681
NSN 6105-01-064-5602
NSN 6135-01-552-1568
NSN 5935-01-370-6299
NSN 6135-01-536-8333
NSN 6105-01-200-4649
NSN 5910-00-019-9049
NSN 5975-01-335-0172