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 6110-01-106-4440
NSN 6620-01-149-2246
NSN 6240-01-369-2956
NSN 5935-01-464-1701
NSN 6620-01-325-6295
NSN 6240-01-579-8568
NSN 5950-00-288-5994
NSN 5915-00-927-8225
NSN 5920-00-345-5833
NSN 5945-01-575-0755
NSN 2925-01-062-2660
NSN 6685-01-298-0531