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 5915-00-310-3156
NSN 7035-00-445-9657
NSN 5965-01-180-7070
NSN 6150-01-529-9121
NSN 5985-00-757-2028
NSN 6130-00-143-7304
NSN 6620-01-315-7003
NSN 5950-01-311-1853
NSN 6105-00-151-7528
NSN 5998-01-473-7705
NSN 6220-00-471-4011
NSN 5905-00-187-0210