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 5920-01-593-9615
NSN 6645-01-331-5674
NSN 5910-01-227-1041
NSN 6145-01-521-9309
NSN 5910-00-274-6491
NSN 5975-01-119-2989
NSN 5950-01-453-7312
NSN 5910-00-191-4906
NSN 6620-01-129-8943
NSN 6240-01-012-2180
NSN 5945-01-536-2524
NSN 6320-00-691-8514