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 5960-01-142-1995
NSN 5945-01-421-7795
NSN 5960-01-409-1917
NSN 5998-00-554-9725
NSN 6645-00-287-9192
NSN 2925-01-577-0004
NSN 7035-01-301-6325
NSN 6620-01-542-0494
NSN 5915-00-035-8590
NSN 6645-01-432-1068
NSN 5996-01-257-7320
NSN 6645-01-572-4475