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 6320-01-261-2848
NSN 6150-00-466-2892
NSN 6320-01-202-8761
NSN 6135-01-054-2462
NSN 6610-01-196-3010
NSN 6620-01-600-0479
NSN 6645-01-222-9680
NSN 6240-00-141-6143
NSN 6105-01-260-2506
NSN 5985-00-101-0698
NSN 5985-01-461-6634
NSN 6105-00-504-0882