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 5835-01-031-7265
NSN 6645-01-435-4073
NSN 5998-00-483-1920
NSN 5985-01-632-7358
NSN 6240-00-432-7639
NSN 5945-01-211-6585
NSN 6320-01-021-6633
NSN 5990-01-595-9441
NSN 6220-01-056-5169
NSN 5945-01-337-6473
NSN 5985-01-545-0961
NSN 6105-00-235-7982