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 5920-00-149-1469
NSN 5985-01-206-4729
NSN 4140-01-475-8930
NSN 5985-01-179-8379
NSN 7035-00-509-7082
NSN 6130-01-352-8680
NSN 6240-00-966-8717
NSN 5950-00-529-0599
NSN 6110-00-508-5892
NSN 5855-01-158-2709
NSN 6105-01-356-4629
NSN 5855-01-376-0363