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 6320-00-468-8421
NSN 6105-01-541-0552
NSN 5915-00-276-8332
NSN 4140-01-062-4561
NSN 5990-01-200-7460
NSN 6150-00-599-0721
NSN 5960-01-447-7074
NSN 6645-01-416-9895
NSN 5960-00-434-0379
NSN 5925-01-364-0771
NSN 7035-00-111-4389
NSN 5910-01-261-2226