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 6150-00-935-3317
NSN 6320-00-405-2348
NSN 6240-01-335-7725
NSN 5965-01-604-1632
NSN 5998-00-970-9133
NSN 5835-00-711-3371
NSN 6105-00-642-2056
NSN 6685-01-093-7430
NSN 6650-00-730-2995
NSN 5945-00-099-9857
NSN 5975-01-218-1730
NSN 6240-00-708-2083