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 6150-01-474-5523
NSN 6240-01-648-2327
NSN 6620-01-406-3584
NSN 4140-01-125-5187
NSN 5905-01-177-9210
NSN 5985-01-406-5209
NSN 6130-01-395-6926
NSN 6135-00-152-8729
NSN 6240-01-239-9916
NSN 5960-00-729-3648
NSN 6620-01-526-2857
NSN 5965-01-350-1890