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 5925-00-777-4083
NSN 5925-01-433-9512
NSN 5835-01-171-0258
NSN 5960-00-800-2365
NSN 5975-01-655-3499
NSN 5930-00-011-9982
NSN 5999-00-538-7278
NSN 5996-01-141-6916
NSN 6240-01-197-8491
NSN 6110-01-502-7731
NSN 5930-00-846-4201
NSN 5935-01-653-2332