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 6685-01-139-4944
NSN 5996-01-450-2300
NSN 6220-01-031-9505
NSN 7035-01-539-9642
NSN 6320-01-383-3257
NSN 6150-00-812-7928
NSN 2925-00-684-7708
NSN 6610-01-519-3080
NSN 5915-01-377-5856
NSN 6145-00-296-0085
NSN 5945-00-063-6265
NSN 6620-01-612-6360