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 6220-01-447-3657
NSN 5855-01-211-2437
NSN 5925-01-557-6444
NSN 6240-00-893-4799
NSN 5990-00-556-9851
NSN 5950-00-299-4467
NSN 5998-01-029-3988
NSN 4140-01-400-3610
NSN 2925-00-174-4322
NSN 5945-01-258-3951
NSN 5835-00-896-0063
NSN 6645-01-425-2330