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 5996-01-377-3743
NSN 5915-01-020-6509
NSN 6685-00-438-3386
NSN 6145-01-142-5732
NSN 2925-01-372-9455
NSN 6650-01-503-8086
NSN 5930-01-509-1740
NSN 7035-01-128-7431
NSN 5930-01-431-9331
NSN 5998-01-040-5742
NSN 6105-00-079-0044
NSN 5998-00-549-9429