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 6150-01-630-2774
NSN 5999-00-518-1007
NSN 5999-00-205-0918
NSN 6320-01-202-8761
NSN 5950-00-119-6611
NSN 6240-01-359-6024
NSN 5945-00-229-8331
NSN 2925-01-141-7563
NSN 5895-00-573-5714
NSN 5835-00-936-8753
NSN 4140-01-197-8148
NSN 6105-01-354-7475