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 4140-00-175-6036
NSN 5905-01-655-4872
NSN 5910-01-348-9767
NSN 5915-01-542-9037
NSN 5905-00-293-6573
NSN 5950-01-473-6449
NSN 5915-01-361-9136
NSN 5985-01-463-9112
NSN 6240-01-514-7114
NSN 5990-01-136-4068
NSN 5985-01-170-6001
NSN 5895-01-629-9289