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 6150-01-421-3672
NSN 6620-00-179-2575
NSN 5960-01-209-4328
NSN 6610-00-259-2992
NSN 5910-00-271-7588
NSN 6105-00-635-9809
NSN 4140-01-575-4506
NSN 5960-00-258-9292
NSN 5985-00-764-4526
NSN 5920-01-423-8595
NSN 6240-01-137-4608
NSN 6220-01-025-6140