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 5950-01-361-8109
NSN 6620-01-655-7664
NSN 5835-00-723-2505
NSN 5925-00-917-9439
NSN 7035-01-572-5429
NSN 5990-01-443-2931
NSN 6650-00-111-3399
NSN 6135-01-424-4940
NSN 6240-00-004-2516
NSN 6135-00-416-2898
NSN 6150-01-532-1456
NSN 6645-00-329-2484