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 7035-01-284-5043
NSN 5975-01-511-8577
NSN 5990-01-633-9503
NSN 6645-01-356-8252
NSN 6150-00-146-9714
NSN 5998-01-327-2707
NSN 4140-01-358-7889
NSN 6150-00-670-9410
NSN 6685-01-083-6317
NSN 6105-00-518-4703
NSN 6620-01-476-7355
NSN 6610-01-133-8796