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 5996-01-117-0338
NSN 5965-01-422-7638
NSN 5905-01-643-0561
NSN 5960-01-231-9119
NSN 2925-01-058-1718
NSN 5996-00-789-8188
NSN 5999-00-505-5586
NSN 6105-00-372-4716
NSN 5935-00-372-5261
NSN 6240-00-832-6867
NSN 6220-01-359-3993
NSN 6620-01-531-0415