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 6240-01-093-8298
NSN 6130-00-139-2914
NSN 5905-00-316-3473
NSN 5835-01-174-7700
NSN 2925-00-149-0760
NSN 2925-01-612-0405
NSN 6610-01-151-1540
NSN 2925-01-587-3956
NSN 5985-01-296-8916
NSN 5905-01-060-8735
NSN 5998-00-540-4594
NSN 6620-01-508-1996