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 6130-01-472-3703
NSN 6110-01-298-8823
NSN 6110-00-135-6447
NSN 4140-01-459-3825
NSN 6130-00-357-9368
NSN 5950-01-480-5386
NSN 6620-01-643-5531
NSN 6135-01-333-6101
NSN 5930-00-918-3694
NSN 5920-01-441-2286
NSN 6110-01-491-9685
NSN 5855-01-477-9629