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 6240-00-191-2855
NSN 5998-00-872-8881
NSN 6610-00-411-4145
NSN 5960-01-386-7086
NSN 7035-00-206-6123
NSN 5925-01-484-6975
NSN 6145-00-399-5201
NSN 5835-01-475-5714
NSN 6610-01-620-2303
NSN 6220-01-394-8590
NSN 6130-00-737-0459
NSN 5835-01-077-6278