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 5835-01-373-9506
NSN 6145-00-101-9857
NSN 6620-01-147-0441
NSN 5996-01-069-2915
NSN 6240-01-314-8245
NSN 6620-00-233-6839
NSN 6110-01-219-1008
NSN 5985-00-542-0597
NSN 6645-01-056-5291
NSN 6650-00-994-1802
NSN 5990-01-382-5364
NSN 6645-00-025-4771