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 5925-01-442-3724
NSN 5920-00-655-4251
NSN 5835-00-422-1441
NSN 6320-00-242-3300
NSN 7035-00-093-5840
NSN 6130-01-551-8266
NSN 6320-00-731-6134
NSN 5998-01-359-2884
NSN 5915-00-441-9668
NSN 6150-00-131-2869
NSN 5920-01-598-6391
NSN 6145-01-483-6567