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 6320-01-150-5378
NSN 5999-00-990-1731
NSN 5965-00-970-2989
NSN 5990-01-380-7815
NSN 5999-00-081-8621
NSN 6110-01-086-2607
NSN 5985-01-587-8863
NSN 5985-01-473-0667
NSN 6150-00-161-6865
NSN 5960-00-936-7931
NSN 6220-00-936-9471
NSN 7035-01-374-7220