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 5999-01-277-8542
NSN 6650-01-472-0143
NSN 6150-00-051-0399
NSN 7035-01-653-7254
NSN 5935-01-104-3855
NSN 5998-00-144-8211
NSN 5915-00-288-0071
NSN 6135-01-106-7740
NSN 6150-01-380-8970
NSN 6145-00-233-9146
NSN 6685-00-583-0254
NSN 5855-01-393-0774