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 5930-00-891-8734
NSN 5895-01-411-4368
NSN 6650-01-139-6467
NSN 5920-01-243-8210
NSN 6130-00-586-7173
NSN 5930-01-311-1375
NSN 6620-00-197-5130
NSN 5950-01-596-0058
NSN 6620-01-368-2723
NSN 5915-01-415-6307
NSN 5950-01-040-6327
NSN 5965-01-241-0553