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 5895-00-067-4262
NSN 2925-00-185-1618
NSN 5915-01-539-5928
NSN 7035-01-106-9776
NSN 5965-01-592-0664
NSN 5855-01-439-1838
NSN 6105-01-442-4343
NSN 5935-01-431-9040
NSN 6620-01-161-8039
NSN 5915-00-677-2816
NSN 6145-00-663-6133
NSN 6320-01-185-3857