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 5915-01-293-4757
NSN 6145-00-170-7947
NSN 5975-01-025-5794
NSN 4140-01-124-8070
NSN 5965-01-345-1885
NSN 5990-01-414-7618
NSN 6145-01-121-8615
NSN 5950-00-314-2415
NSN 5925-01-125-4368
NSN 5915-01-429-0874
NSN 5920-01-655-5707
NSN 5990-01-581-5103