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 5895-01-108-5631
NSN 5920-01-381-7529
NSN 6620-00-267-5273
NSN 5960-00-587-7517
NSN 4140-01-400-3610
NSN 6135-01-168-2944
NSN 5925-01-029-1591
NSN 5920-01-070-8843
NSN 5915-00-583-4229
NSN 5930-01-449-0621
NSN 5910-00-450-5418
NSN 6220-00-128-8540