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 5975-00-606-4298
NSN 5975-01-483-5255
NSN 5910-01-592-5921
NSN 6685-01-605-0762
NSN 5990-01-339-2811
NSN 5960-01-234-9107
NSN 5910-01-539-6005
NSN 5990-00-436-9008
NSN 5855-01-398-9548
NSN 5920-01-343-5346
NSN 6620-01-462-0001
NSN 5895-00-755-2416