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 6610-01-359-9962
NSN 5920-00-228-1807
NSN 6220-01-509-9943
NSN 6130-00-686-4906
NSN 5975-00-056-8600
NSN 6240-01-171-0374
NSN 6130-00-236-7926
NSN 6645-00-408-3537
NSN 5965-01-197-6924
NSN 6145-00-635-5322
NSN 6610-01-572-1715
NSN 6645-00-819-5045