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 5920-00-135-4930
NSN 6220-01-448-9477
NSN 5990-01-142-0538
NSN 5835-00-977-1254
NSN 6145-00-984-4139
NSN 5998-01-421-9238
NSN 5998-00-518-6488
NSN 6240-00-062-3642
NSN 5975-01-356-8251
NSN 2925-01-052-0636
NSN 5855-00-610-4052
NSN 5935-01-470-8057