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 5915-00-968-7515
NSN 6220-00-383-9402
NSN 5985-01-589-0032
NSN 6150-01-088-5229
NSN 5835-01-368-1013
NSN 5925-01-441-1841
NSN 6105-00-560-2116
NSN 5960-01-381-8475
NSN 6150-01-099-9619
NSN 6135-00-309-0074
NSN 7035-01-181-2705
NSN 6620-01-315-1857