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 6620-00-495-7438
NSN 6650-01-559-9689
NSN 6240-00-441-7962
NSN 5960-01-342-1961
NSN 5895-01-036-7611
NSN 4140-01-361-9198
NSN 5930-01-588-4118
NSN 5990-00-935-5610
NSN 5965-00-691-9130
NSN 5985-01-447-3043
NSN 5965-01-329-7890
NSN 5975-01-069-2196